<?xml version='1.0' encoding='UTF-8'?><rss xmlns:atom="http://www.w3.org/2005/Atom" xmlns:openSearch="http://a9.com/-/spec/opensearchrss/1.0/" xmlns:blogger="http://schemas.google.com/blogger/2008" xmlns:georss="http://www.georss.org/georss" xmlns:gd="http://schemas.google.com/g/2005" xmlns:thr="http://purl.org/syndication/thread/1.0" version="2.0"><channel><atom:id>tag:blogger.com,1999:blog-6579930919462113089</atom:id><lastBuildDate>Mon, 07 Oct 2024 05:18:25 +0000</lastBuildDate><category>BLAZER</category><category>Sonorização</category><category>Automotivo</category><category>BOSS CX1000 BOSS CX1000</category><category>Carro</category><category>Dicas</category><category>FIAT PÁLIO</category><category>FIAT UNO</category><category>Madeiramento</category><category>MÓDULO POWER ACOUSTIK G640- 4 1000Wmax</category><category>Palio</category><category>Pintura</category><category>Portas</category><category>SPL</category><category>Sistema</category><category>Som</category><category>Subwoofer</category><category>Versailles</category><title>OPENBASS</title><description></description><link>http://openbass.blogspot.com/</link><managingEditor>noreply@blogger.com (Anonymous)</managingEditor><generator>Blogger</generator><openSearch:totalResults>14</openSearch:totalResults><openSearch:startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>25</openSearch:itemsPerPage><item><guid isPermaLink="false">tag:blogger.com,1999:blog-6579930919462113089.post-1767534517689206895</guid><pubDate>Fri, 17 Aug 2012 12:02:00 +0000</pubDate><atom:updated>2012-08-17T05:05:38.835-07:00</atom:updated><title>MADEIRAMENTO E TAMPÕES</title><description>&lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_XcaYvyErlahNtK0Ysp_Emutksn72nOSHq3wpIQ43ZukJaR0D9FAMYXA4snPXj2zNr9dMEL2vvS_0a3XiIkebEZqUE-SY6pSprxQCgHdxvjtBFCEfsa8PjjKrpyemtq9o-jnVULfA0yVw/s1600/IMG0123A.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;320&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_XcaYvyErlahNtK0Ysp_Emutksn72nOSHq3wpIQ43ZukJaR0D9FAMYXA4snPXj2zNr9dMEL2vvS_0a3XiIkebEZqUE-SY6pSprxQCgHdxvjtBFCEfsa8PjjKrpyemtq9o-jnVULfA0yVw/s400/IMG0123A.jpg&quot; width=&quot;400&quot; /&gt;&lt;/a&gt;&lt;/div&gt;&lt;br /&gt;
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BY OPENBASS SOM</description><link>http://openbass.blogspot.com/2012/05/fiat-palio.html</link><author>noreply@blogger.com (Anonymous)</author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhktZhb2k541OT5J1D1Uc2xdgIY2J3rq1mJh00saunSd7z4NEPOeXiOXMLvpTG51a3wOvT-Pz4Bcxupsakjobv_yEoodw6KGGmZIp50whiwoGulNqAcdvMpjm-L5oD87J45Cr2EL3iwpUsl/s72-c/IMG0108A.jpg" height="72" width="72"/><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-6579930919462113089.post-2684384488813362708</guid><pubDate>Mon, 07 May 2012 12:08:00 +0000</pubDate><atom:updated>2012-05-07T05:08:49.195-07:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">FIAT UNO</category><title>FIAT UNO</title><description>&lt;u&gt;&lt;b&gt;FIAT UNO&lt;/b&gt;&lt;/u&gt;&lt;br /&gt;
&lt;br /&gt;
&lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiMBTGUko1iLATMFRt-GHS2WPt2BvLzP6fx1VCukVbtYx5y1JAQZVEW6tws0a3UejIJ5a8rGaOBaL-f7nsyBEf_NnPZ-1GieLM0ywvqHcsdlUklYWvg8PsvCK0BmwuFnQ1Ijywazgu2xS-x/s1600/IMG0104A.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;512&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiMBTGUko1iLATMFRt-GHS2WPt2BvLzP6fx1VCukVbtYx5y1JAQZVEW6tws0a3UejIJ5a8rGaOBaL-f7nsyBEf_NnPZ-1GieLM0ywvqHcsdlUklYWvg8PsvCK0BmwuFnQ1Ijywazgu2xS-x/s640/IMG0104A.jpg&quot; width=&quot;640&quot; /&gt;&lt;/a&gt;&lt;/div&gt;BY OPENBASS SOM</description><link>http://openbass.blogspot.com/2012/05/fiat-uno.html</link><author>noreply@blogger.com (Anonymous)</author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiMBTGUko1iLATMFRt-GHS2WPt2BvLzP6fx1VCukVbtYx5y1JAQZVEW6tws0a3UejIJ5a8rGaOBaL-f7nsyBEf_NnPZ-1GieLM0ywvqHcsdlUklYWvg8PsvCK0BmwuFnQ1Ijywazgu2xS-x/s72-c/IMG0104A.jpg" height="72" width="72"/><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-6579930919462113089.post-5367505004189352931</guid><pubDate>Mon, 07 May 2012 12:03:00 +0000</pubDate><atom:updated>2012-05-07T05:17:40.706-07:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">BLAZER</category><title>BLAZER</title><description>&lt;u&gt;&lt;b&gt;BLAZER&lt;/b&gt;&lt;/u&gt; -MADEIRAMENTO, PINTURA E SONOROZAÇÃO.&lt;br /&gt;
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&lt;u&gt;&lt;b&gt;&lt;/b&gt;&lt;/u&gt;&lt;br /&gt;
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&lt;/b&gt;&lt;/u&gt;&lt;br /&gt;
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&lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEUz11n-lP7gyUA-IMnhYywzPWuNHay5hSJPHESyfhujA7qpq8GA4GmgNvdTDu5_eIPHmY34_A4P2JokvlRi6mI-zGTm0B_rjAR7ILtb382uzn1U_jlpyk9NIIrEGfS8cybhZaMXfFYGxR/s1600/VERSALES+%25285%2529.JPG&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;480&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEUz11n-lP7gyUA-IMnhYywzPWuNHay5hSJPHESyfhujA7qpq8GA4GmgNvdTDu5_eIPHmY34_A4P2JokvlRi6mI-zGTm0B_rjAR7ILtb382uzn1U_jlpyk9NIIrEGfS8cybhZaMXfFYGxR/s640/VERSALES+%25285%2529.JPG&quot; width=&quot;640&quot; /&gt;&lt;/a&gt;&lt;/div&gt;</description><link>http://openbass.blogspot.com/2012/04/etapa-ii-sonorizacao-final-da.html</link><author>noreply@blogger.com (Anonymous)</author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEitGl2QwSDYnBpD2ntV0OTNiOxfoBJL33QRJoQKbNezx_U7eE7Z5yfL7PGGlgqmoZJdrf-rDDqlJ4gDo63yRVq671Ap5FWKT_oGoK7TLIYuTpM3L251B6Cau_q4wEU7YwATpowOaT9D7Hqv/s72-c/VERSALES+%288%29.JPG" height="72" width="72"/><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-6579930919462113089.post-7314854996967595183</guid><pubDate>Wed, 18 Apr 2012 02:31:00 +0000</pubDate><atom:updated>2012-04-17T19:32:22.200-07:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">Subwoofer</category><title>O QUE É SUBWOOFER?</title><description>&lt;b&gt;SUBWOOFER?&lt;/b&gt;&lt;br /&gt;
Muitos podem se perguntar o que é um &lt;b&gt;subwoofer &lt;/b&gt;e qual sua utilidade no som para seu carro.&lt;br /&gt;
O &lt;b&gt;subwoofer &lt;/b&gt;é  um auto falante que tem a finalidade  de reproduzir sons graves e  subgraves, ou seja, é indicados para  reproduzir sons de bumbo de  bateria, contrabaixo, baixo eletrônico,  e  musicas com subgraves.&lt;br /&gt;
Sua  frequência varia de 20 Hz a 1500 Hz e você pode encontrar  subwoofer de  diversos tamanhos 8″, 10″ e 12″ e até mesmo 18 polegada no  formato de  cone redondo.&lt;br /&gt;
Você pode encontrar  subwoofer  somente com o alto falante, ou com Box  (conjunto com caixa  acústica) e também Free Air (ar-livre, tampão).&lt;br /&gt;
&lt;div style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;http://somparacarros.com/wp-content/uploads/2011/06/electronics_stereo_subwoofers.jpg&quot;&gt;&lt;img alt=&quot;Subwoofers&quot; class=&quot;size-medium wp-image-96 aligncenter&quot; height=&quot;197&quot; src=&quot;http://somparacarros.com/wp-content/uploads/2011/06/electronics_stereo_subwoofers-300x197.jpg&quot; title=&quot;Subwoofers&quot; width=&quot;300&quot; /&gt;&lt;/a&gt;&lt;/div&gt;Também  é importante você saber alguma siglas que acompanha esse tipo  de  auto  falante que é o RMS sigla que indica a pontencia real do alto    falante.&lt;br /&gt;
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Fonte: &lt;a href=&quot;http://somparacarros.com/o-que-e-um-subwoofer/&quot;&gt;http://somparacarros.com/o-que-e-um-subwoofer/ &lt;/a&gt;&lt;br /&gt;
&lt;iframe allowfullscreen=&quot;&quot; frameborder=&quot;0&quot; height=&quot;344&quot; src=&quot;http://www.youtube.com/embed/8TSqY5faAzs?fs=1&quot; width=&quot;459&quot;&gt;&lt;/iframe&gt;</description><link>http://openbass.blogspot.com/2012/04/subwoofer-muitos-podem-se-perguntar-o.html</link><author>noreply@blogger.com (Anonymous)</author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://img.youtube.com/vi/8TSqY5faAzs/default.jpg" height="72" width="72"/><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-6579930919462113089.post-2839955103937365970</guid><pubDate>Wed, 18 Apr 2012 00:32:00 +0000</pubDate><atom:updated>2012-04-17T18:01:46.485-07:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">Madeiramento</category><category domain="http://www.blogger.com/atom/ns#">Pintura</category><title>VERSAILLES - PARTE 1</title><description>&lt;b&gt;&lt;u&gt;MADEIRAMENTO E PINTURA&lt;/u&gt;&lt;/b&gt;&lt;br /&gt;
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&lt;a href=&quot;https://picasaweb.google.com/lh/photo/HUVyglpGPaYoT4_bJkXxytMTjNZETYmyPJy0liipFm0?feat=embedwebsite&quot;&gt;&lt;img height=&quot;480&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7CNWI6tYfgRBAH2M7FVxQznJb_UmwYbid3kLkTcHf1IIbSdK-5OFmIye6bau9KL3izcQ7QBSeXOQEbjVOQP8qtS0_SxfBpe2b89WzEoA9dh5PUctQF1rd8nApZqRUfiK9kc9VTFV3j_V9/s640/DSC02410.JPG&quot; width=&quot;640&quot; /&gt;&lt;/a&gt;&lt;br /&gt;
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&lt;a href=&quot;https://picasaweb.google.com/lh/photo/MibASBzr5Xzt8Z5eFIss_NMTjNZETYmyPJy0liipFm0?feat=embedwebsite&quot;&gt;&lt;img height=&quot;480&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjl0hGF7Ybwt3i6F34-OM13vbjZp5bto3QNvvgnNTtOIuHM7nMmV-HDsTzz5_Ss_9VxMYXc_N2V2F1qPYiAZN17NR4RImtgzGxHTHkzcOiRY5myLF5Ko61Rnt2t9StzwnKknFMNuX0LEgOp/s640/DSC02409.JPG&quot; width=&quot;640&quot; /&gt;&lt;/a&gt;&lt;br /&gt;
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&lt;a href=&quot;https://picasaweb.google.com/lh/photo/zVq37zSBmQSFunhLbOOmjNMTjNZETYmyPJy0liipFm0?feat=embedwebsite&quot;&gt;&lt;img height=&quot;480&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjS1rzqQKhHU3e54F5BBqAuey1KyFNIj0BOAxVH1GzgMOziEEWbnOI8nzlaGeG1MterdQfl3e75GfngCP7SOWAD0xYNPfy30981wrqkQ55HBu-BvR41AHb8jFm_5Rb7kkwTE0vXhcAVWvJG/s640/DSC02576.JPG&quot; width=&quot;640&quot; /&gt;&lt;/a&gt;&lt;br /&gt;
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&lt;a href=&quot;https://picasaweb.google.com/lh/photo/VIpLXjlmNhhk36WiH7keHdMTjNZETYmyPJy0liipFm0?feat=embedwebsite&quot;&gt;&lt;img height=&quot;480&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLo9dLgkOb06T9GhyphenhyphenVPleAWkeQIGR41izbWDcKUd8w6Oo2hgG5W6Xofcids8TwJ4OtGBrB1jjSMKnZBmceMVVY5bLSoTi-OI2hh5is3G9bf2Pp3aHBgODEdoKya6HPQ67uzB9l48D6c9XW/s640/DSC02577.JPG&quot; width=&quot;640&quot; /&gt;&lt;/a&gt;&lt;br /&gt;
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&lt;a href=&quot;https://picasaweb.google.com/lh/photo/dH-4aQOIWPqaCYpDdVxbp9MTjNZETYmyPJy0liipFm0?feat=embedwebsite&quot;&gt;&lt;img height=&quot;480&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjnUgFrddI1ZtWR5cH6VKCDP_Q_CSQeXiLCOpHRHbNurTZBBoi0Frfl9VRFEULRlegeTFOYkMx3Ycgn2_Hza4Fkzv8UIGcakvYAzO7IyPI0FkmOlgY3lX9sU7n0afHcn4y2dIZNihIPSTn_/s640/DSC02578.JPG&quot; width=&quot;640&quot; /&gt;&lt;/a&gt;&lt;br /&gt;
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&lt;a href=&quot;https://picasaweb.google.com/lh/photo/GlW3OLxfnbzp-wcDmMbhidMTjNZETYmyPJy0liipFm0?feat=embedwebsite&quot;&gt;&lt;img height=&quot;480&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEDHNFErFR9Lse29XLgIaRmo7fkivbOCKlSkjp6DKK6y4zwO8UhL2u6JVVuf5D68o3GQLYIecYhTZFfHJiUTh8Npje87zMkr8lPO9m4vnLilZkXPH7FPwd5uSmecXAug0u9YFCuXiulqvY/s640/DSC02579.JPG&quot; width=&quot;640&quot; /&gt;&lt;/a&gt;&lt;br /&gt;
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&lt;a href=&quot;https://picasaweb.google.com/lh/photo/hPe7zwxGLYspfVOy2dO_fNMTjNZETYmyPJy0liipFm0?feat=embedwebsite&quot;&gt;&lt;img height=&quot;480&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgCOvBGnqE0uzE74Lbm8Iyr5IM7oQDwZo671mR1Jynu70xlWRyTwnr1x7gMf33R7luVo9sGjwoje4Ik1Hr34gqJWJGuGl44SVZzWCyy445SVRBUwO6vMPzR0ybp-yXdw0-uOrtVBdwO8Roh/s640/DSC02580.JPG&quot; width=&quot;640&quot; /&gt;&lt;/a&gt;&lt;br /&gt;
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&lt;a href=&quot;https://picasaweb.google.com/lh/photo/gi7rZxpnwACor225Q8Xy7dMTjNZETYmyPJy0liipFm0?feat=embedwebsite&quot;&gt;&lt;img height=&quot;480&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjI8tsBoKygT9E2JKWgrl3CLkFgN2vX6Am0CEOrHzY74xvt7y6ph9EVSK48vtZPw4ZoDkUSPsRbOa9uzgzdqbhQ4o7UVTkxoISvfpkM3ZckXnLmXTai8-wvzJqLriAUMhCEEwvnAAcoPRfG/s640/DSC02583.JPG&quot; width=&quot;640&quot; /&gt;&lt;/a&gt;</description><link>http://openbass.blogspot.com/2012/04/versailles-parte-1.html</link><author>noreply@blogger.com (Anonymous)</author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7CNWI6tYfgRBAH2M7FVxQznJb_UmwYbid3kLkTcHf1IIbSdK-5OFmIye6bau9KL3izcQ7QBSeXOQEbjVOQP8qtS0_SxfBpe2b89WzEoA9dh5PUctQF1rd8nApZqRUfiK9kc9VTFV3j_V9/s72-c/DSC02410.JPG" height="72" width="72"/><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-6579930919462113089.post-7479978416324589274</guid><pubDate>Sun, 11 Mar 2012 15:21:00 +0000</pubDate><atom:updated>2012-03-11T08:21:29.892-07:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">BOSS CX1000 BOSS CX1000</category><title>BOSS CX1000 BOSS CX1000</title><description>&lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: left;&quot;&gt;&lt;a href=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-123.png&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;BOSS CX1000 BOSS CX1000 &lt;/a&gt;&lt;/div&gt;&lt;img height=&quot;219&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-125.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;333&quot; /&gt;&lt;br /&gt;
&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;DEFEITO:   RUÍDO QUANDO CARRO ESTÁ LIGADO. Este módulo possui as características   básicas análoga aos Pyramid.Porem com uma fonte maior(04 Fets por   fonte)e ao invés de utilizar o LM2904 este utiliza um KIA4558, a saída   utilizando 04 transístores por canal ao invés de 02. É um defeito muito   simples de se resolver, pois o mesmo está nos conectores RCA,   provavelmente está com o terminal terra quebrado, sendo asssim basta   medir o terra dos conectores com a carcaça do módulo. Evite emendar o   conector para evitar mau contato e justamente uma peça muito barata,   substitua.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;109&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-126.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;440&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;109&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-127.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;440&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;109&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-128.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;440&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;As fontes de alimentação&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;218&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-129.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;378&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;109&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-130.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;436&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;109&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-131.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;436&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;108&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-132.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;436&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Observe   a foto acima, os conectores RCA ficam nesta placa menor. Observe a  foto  acima, os conectores RCA ficam nesta placa menor.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;256&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-133.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;424&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;229&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-134.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;425&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;336&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-135.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;378&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;172&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-136.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;425&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;120&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-137.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;153&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;242&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-138.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;424&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;310&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-139.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;425&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;272&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-140.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;425&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;290&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-141.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;425&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;268&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-142.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;425&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;255&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-143.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;424&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;255&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-144.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;425&quot; /&gt;&lt;/div&gt;&lt;a href=&quot;http://www.blogger.com/post-edit.g?blogID=6579930919462113089&amp;amp;postID=300474116573911630&quot; name=&quot;comments&quot; style=&quot;background-color: #f0f3f3; color: #0f6e90; font-family: Arial, Helvetica, sans-serif; font-size: 13px; line-height: 20px;&quot;&gt;&lt;/a&gt;&lt;br /&gt;
&lt;h2 style=&quot;background-color: #f0f3f3; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-bottom-width: 3px; color: #333333; font-family: Arial, Helvetica, sans-serif; font-size: 16px; font-weight: normal; line-height: 22px; margin-bottom: 14px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Fonte&amp;nbsp;&lt;a href=&quot;http://www.ebah.com.br/content/ABAAABUh8AB/dicas-sobre-som-automotivo&quot; style=&quot;background-color: transparent;&quot;&gt;http://www.ebah.com.br/content/ABAAABUh8AB/dicas-sobre-som-a&lt;/a&gt;&lt;/h2&gt;&lt;h2 style=&quot;background-color: #f0f3f3; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-bottom-width: 3px; color: #333333; font-family: Arial, Helvetica, sans-serif; font-size: 16px; font-weight: normal; line-height: 22px; margin-bottom: 14px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;a href=&quot;http://www.ebah.com.br/content/ABAAABUh8AB/dicas-sobre-som-automotivo&quot; style=&quot;background-color: transparent;&quot;&gt;&lt;/a&gt;&lt;/h2&gt;</description><link>http://openbass.blogspot.com/2012/03/boss-cx1000-boss-cx1000.html</link><author>noreply@blogger.com (Anonymous)</author><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-6579930919462113089.post-5772173259969771</guid><pubDate>Sun, 11 Mar 2012 14:55:00 +0000</pubDate><atom:updated>2012-03-11T08:04:48.230-07:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">MÓDULO POWER ACOUSTIK G640- 4 1000Wmax</category><title>DICAS DE MANUTENÇÃO MÓDULO POWER ACOUSTIK G640- 4 1000Wmax</title><description>&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;DICAS DE MANUTENÇÃO MÓDULO POWER ACOUSTIK G640- 4 1000Wmax&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;216&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-69.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;288&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;FONTE   QUEIMADA: Utiliza 02 MOSFET FQP50N06, 02 resistores de polaridade dos   Fet’s de 68R,e o PWM utilizado é o TL494,conforme a foto abaixo:&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;297&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-70.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;396&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Pode-se   substituir os MOSFETs FQP50N06 pelos IRFZ44,que possuem uma corrente  de  dreno de 50A e tensão VDSS de 60V, esta maior que do original. Veja  as  características do IRFZ44:&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;177&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-71.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;424&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;300&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-72.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;238&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Já os resistores possuem tolerância de 5% e podem variar entre 47 R a 100R.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Após   substituição dos componentes danificados, ocorrer um apito nos   transformadores de fequência (transformador Toroidal) ,substitua o   TL494(pode ser KA,ST,TL...494).&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;249&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-73.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;410&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;251&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-74.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;209&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;308&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-75.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;411&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Foto acima destacando os transformadores de freqüência(toroidais) CONFIGURAÇÃO TÍPICA DO TL494&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;302&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-76.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;419&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;PYRAMID GOLD 800&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;257&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-77.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;341&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;ACENDENDO   PROTEÇÃO APÓS ALGUNS SEGUNDOS LIGADA: O defeito com certeza está na   etapa de áudio, ou seja na saída dos amplificadores Push Pull ,que são   04.Verifique se há algum transistor das saídas em curto ou aberto,senão   siga as etapas abaixo: Observe que a fonte de alimentação é dupla,  sendo  cada uma delas alimentar 02 amplificadores.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;290&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-78.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;387&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Primeiro   isole uma das fontes, retirando os 02 diodos schottky de um dos lados e   ligue o módulo.Se acender a proteção, recoloque-os no lugar e retire  os  do outro lado.Caso não acenda a proteção, já sabemos qual lado dos   amplificadores está o problema. Verifique os resistores de fio das   saídas que foram isoladas da proteção. No meu caso um desses resistores   de fio estava aberto.São resistores de 0R15 de 5W,mas se houver algum   mal contato,transistores e resistores alterados,em curto ou aberto nas   etapas do amplificador, o TL494 identificará como dano acionando assim a   proteção, tendo visto que este CI é um PWM e chaveado (além da   freqüência) também de acordo com o consumo de corrente , usando um   comparador feito por um AO LM2904 ou LM358.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;315&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-79.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;419&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Veja acima os resistores de fio Características e pinagem do:&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;BANDA VXICE 1800WRMS MONO DIGITAL&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;116&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-80.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;210&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;71&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-81.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;65&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;78&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-82.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;198&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;BANDA VXICE 1800WRMS MONO DIGITAL&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;243&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-83.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;324&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Módulo   de potência Digital,com microcontrolador para controle total do   equipamento e saída digital do tipo amplificador classe D. NÃO FUNCIONA E   PROTEÇÃO ACIONADA Defeito constatado foi um dos MOSFETs de saída em   curto.Mas vamos a um breve resumo de como funciona este equipamento:   Possui uma entrada de áudio analógica, passando por um modulador e   integrador e enviado a um conversor analógico/Digital e entregue a um   comparador que aciona um drive que chavea os MOSFETs e sua saída   pulsante aciona transformadores toroidais que converte o sinal chaveado   pulsante em sinal analógico que por sua vez aciona os altofalantes.   Sabendo disso, além de testar os MOSFETs é necessário também testar os   drives do respectivo Fet danificado. Abaixo a foto da etapa de saída   deste módulo:&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;65&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-84.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;261&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;65&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-85.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;261&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;65&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-86.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;261&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;248&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-87.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;407&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Características do MOSFET IRFP90N20D Características do Diver IR2010S&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;243&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-88.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;405&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;118&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-89.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;162&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;11&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-90.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;63&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;215&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-91.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;416&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;176&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-92.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;425&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;227&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-93.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;425&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;343&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-94.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;457&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;PLACA COMPLETA Esquema de um canal de áudio&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;234&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-95.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;424&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;321&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-96.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;429&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Entrada de áudio, modulador e conversor AD Entrada de áudio,modulador e conversor AD de 01 canal&lt;br /&gt;
&lt;h2 style=&quot;background-color: #f0f3f3; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-bottom-width: 3px; color: #333333; font-family: Arial, Helvetica, sans-serif; font-size: 16px; font-weight: normal; line-height: 22px; margin-bottom: 14px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Fonte&amp;nbsp;&lt;a href=&quot;http://www.ebah.com.br/content/ABAAABUh8AB/dicas-sobre-som-automotivo&quot; style=&quot;background-color: transparent;&quot;&gt;http://www.ebah.com.br/content/ABAAABUh8AB/dicas-sobre-som-a&lt;/a&gt;&lt;/h2&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;252&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-97.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;425&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;279&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-98.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;471&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Ligação de altofalante: STETSON TH2500&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;145&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-99.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;388&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;145&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-100.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;388&quot; /&gt;&lt;/div&gt;&lt;/div&gt;</description><link>http://openbass.blogspot.com/2012/03/dicas-de-manutencao-modulo-power.html</link><author>noreply@blogger.com (Anonymous)</author><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-6579930919462113089.post-4626456227922961032</guid><pubDate>Mon, 05 Mar 2012 16:26:00 +0000</pubDate><atom:updated>2012-03-11T08:27:25.004-07:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">Sistema</category><category domain="http://www.blogger.com/atom/ns#">SPL</category><title>SISTEMA DE SPL PARA SOM AUTOMOTIVO</title><description>&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;SISTEMA DE SPL PARA SOM AUTOMOTIVO&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Um  sistema de som voltado para o SPL (Sound Pressure Level ou nível de  Pressão sonora) consiste em fazer um sistema de som com o maior nível de  pressão sonora possível, ou seja, o maior barulho possível, normalmente  utilizando as baixas freqüências (os graves). Muito comum em  campeonatos aonde os competidores chegam ao extremo com dezenas de  subwoofers, módulos e baterias em apenas um automóvel. Neste tipo de  sistema quando mais equipamentos colocarem maior será o SPL, portanto o  fator determinante para o limite é o bolso do cliente ou o espaço do  carro. Pessoas normais que adotam este tipo de sistema para o dia-a-dia  são os adeptos ao estilo musical Bass, este tipo de música tocam  freqüências tão baixas que em um carro com um sistema bem eficiente  chega parecer um verdadeiro terremoto, disparando alarmes de carros e  vibrando vidraças, para isso um ou dois subwoofers já são suficientes  sem ter que sacrificar completamente o porta-malas do carro. Os falantes  responsáveis pelas freqüências médias e altas podem ser os falantes  originais tocados pelo CD-Player ou por um módulo, vai depender do gosto  e bolso do cliente. Abaixo temos um exemplo de um sistema de som de SPL  para campeonato:&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;440&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-67.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;438&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;* Alguns módulos têm entrada RCA e saída RCA para não serem necessários divisores como mostrado no exemplo.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Em que consiste a ligação Bridge?&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;101&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-68.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;215&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;x  - Consiste em ligar o positivo do SubWoofer na saída positiva do canal  esquerdo e o negativo do SubWoofer na saída negativa do canal direito,  ou vice-versa.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;x  - Essa ligação não é aceita em módulos do tipo Booster x - Em alguns  amplificadores é necessário mover chaves e configurar crossovers.  Verifique sempre seu manual.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;x - Assim você tem uma saída mono com cerca de 3 vezes mais potência do que numa ligação comum em estério.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;x  - A maioria dos amplificadores aceita uma mínima impedância de 4 Ohms  nesta ligação, mas em alguns amplificadores, chamados de alta corrente,  podemos ligar uma associação de SubWoofer com 0,5 Ohms podendo chegar a  até 10 vezes mais de potência fornecida pelo amplificador comparando com  uma ligação comum em 4 Ohms (caso do Audio Art 100HC).&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;x  - Em alguns amplificadores como o 4.6x da Rockford Fosgate é necessário  inverter a polaridade do SubWoofer em relação à polaridade de saída do  amplificador caso esteja utilizando crossover passa-alta para os  falantes da frente e passa-baixa para o SubWoofer.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;x  - Verifique sempre o manual do amplificador para se certificar se ele  aceita este tipo de ligação e como fazer a correta ligação em modo  Bridge.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;x  - Geralmente os amplificadors MOS-FET trabalham com tensões de -28  Volts a 0 volts e 0 a +28 Volts na ligação estério (2 canais) e na  ligação bridge (1 canal) a tensão varia de -28 a +28 Volts.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;A  regulagem do ganho é fundamental para o bom desempenho do sistema, e  ganhos de entrada corretamente regulados são garantia de durabilidade da  aparelhagem.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Um  amplificador, quando projetado, deve prever a possibilidade de  utilização de vários aparelhos de marcas diferentes (isto é, um  amplificador de uma marca com um CD de outro etc.). Diferentemente do  som residencial, não existe um padrão no que se refere à voltagem do  sinal de áudio (RCA) e sua impedância. Um determinado amplificador,  então, tanto pode ser ligado em um aparelho que envie 2 volts de sinal,  ou a um que envie 0,5 volts, e o mesmo deve vir preparado para que se  possam compensar essas variações. Este é chamado &quot;ganho de entrada&quot; do  amplificador.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Tal  regulagem existe para que você possa fazer com que o amplificador  chegue ao seu limite de volume juntamente com o aparelho (auto-rádio,  toca-fitas ou CD player) a que estiver conectado. Alguns instaladores  imaginam que o ganho de entrada de um amplificador é responsável pela  potência que o mesmo irá produzir, o que não é verdade. Se a fábrica  projetou um amplificador que pode produzir 200 watts, no máximo, não há  nada que este profissional possa fazer que aumente essa potência.  Porquê? Simples! A potência de um amplificador é determinada basicamente  pela voltagem e amperagem que sua fonte possa produzir. Se já sabemos  que o ganho não torna o amplificador mais potente, vamos adiante.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Ganhos de entrada&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;A  maioria dos instaladores faz (ou sugere) que a regulagem dos ganhos de  entrada seja feita de ouvido. Cuidado! Vários testes provam que o ouvido  humano não é capaz de identificar valores de distorção menores do que  20% da duração da programação musical. Em um ambiente ruidoso, como uma  loja de instalação de som, aumenta ainda mais (chegando até 30% ou 35%).  Distorções por clipagem neste nível podem facilmente queimar tweeters  mais sensíveis, mesmo que a potência aplicada seja baixa.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Como Regular&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;A  maneira mais segura de regular ganhos de entrada é aplicar um sinal de 1  KHz (o som que a televisão tem pela manhã juntamente com as barras  coloridas), gravado em -10 dB ou -15 dB, para compensar os diferentes  níveis de gravação dos CDs, e iniciar a regulagem até que o osciloscópio  acuse a &quot;clipagem&quot;. Uma pequena quantidade não será prejudicial, mas  procure manter a onda perfeita.&lt;/div&gt;&lt;br /&gt;
&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;116&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-80.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;210&quot; /&gt;&lt;/div&gt;&lt;br /&gt;
&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;SAÍDA  DE ÁUDIO QUEIMADA, ACENDENDO PROTEÇÃO: Este equipamento utiliza em sua  saída transistores Darlington em cascata.. Em cada canal possui 03  TIP105 e 03 TIP102.A maior dificuldade de se medir estes na placa é que  os mesmos são interligados em cacata, e qualquer um deles que apresentar  uma fuga fica difícil perceber, medindo-os na placa, sendo que o  primeiro passo é retira-los e medi-los individualmente.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;125&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-101.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;334&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;125&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-102.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;334&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Sua  fonte é compatível com as demais fontes chaveadas DC DC,porém o PWM é o  SG3525 Sua fonte é compatível com as demais fontes chaveadas DC  DC,porém o PWM é o SG3525&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;345&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-103.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;460&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;313&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-104.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;425&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;196&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-105.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;407&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;212&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-106.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;275&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;CONFIGURAÇÕES TÍPICAS DO SG3525 CONFIGURAÇÕES TÍPICAS DO SG3525&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;206&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-107.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;425&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;304&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-108.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;424&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;296&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-109.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;405&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;150&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-110.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;398&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;149&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-111.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;398&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Módulo  digital com amplificador tipo D, utilizando MOSFET IRF9640 para  SUBWOOFEER. FONTE QUEIMADA: Visivelmente se constatou a queima dos  MOSFETs da fonte, devido a carbonização visível.Os MOSFETs utilizados  nesta fonte são os IRF3205,com características semelhantes ao IRFZ44 e  48, porém com corrente praticamente o dobro dos IRFZ, que são de 50 a 60  A e o IRF3205 é de 110A ,sendo não indicado utilizar os IRFZ, porém  pode-se utilizar o IRF1405 trabalha com correntes de até 169A ,sendo até  mais eficiente.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;124&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-112.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;332&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;124&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-113.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;332&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;308&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-114.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;425&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;339&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-115.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;424&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;317&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-116.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;424&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;271&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-117.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;425&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;234&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-118.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;424&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Esquema da fonte do Crossfire Amplificador tipo D do CROSSFIRE&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;130&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-119.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;347&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;130&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-120.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;347&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;div style=&quot;clear: left; float: left; margin-bottom: 1em; margin-right: 1em;&quot;&gt;&lt;img height=&quot;304&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-121.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;425&quot; /&gt;&lt;/div&gt;&lt;br /&gt;
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&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;&lt;/div&gt;&lt;/div&gt;Fonte http://www.ebah.com.br/content/ABAAABUh8AB/dicas-sobre-som-a</description><link>http://openbass.blogspot.com/2012/03/sistema-de-spl-para-som-automotivo.html</link><author>noreply@blogger.com (Anonymous)</author><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-6579930919462113089.post-300474116573911630</guid><pubDate>Sun, 04 Mar 2012 03:50:00 +0000</pubDate><atom:updated>2012-03-05T08:28:23.001-08:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">Dicas</category><title>DICAS SOBRE SOM AUTOMOTIVO</title><description>&lt;div id=&quot;file-preview&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; overflow-x: hidden; overflow-y: hidden; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; width: 728px;&quot;&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;O som (áudio) é a propagação de uma oscilação mecânica, esta onda não se propaga no vácuo propagando-se em meios materiais com massa e elasticidade (sólidos, gasosos, líquidos). A sua frequência distingue-se pela possibilidade do ser humano conseguir ouvir essa oscilação. As frequências de áudio encontram-se no espectro de frequências entre 20 Hz e 20 Khz, a sua amplitude e energia mede-se em Decibéis. Os circuitos de áudio foram os primeiros circuitos eletrônico com uma concepção prática, a necessidade comunicar e transmitir sons com níveis mais elevados ou a distâncias superiores gera uma imensidão de circuitos, desde o simples amplificador de aúdio ao mais sofisticado circuito eletrônico de transmissão e captação de sons à distância.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;A potência RMS ou valor quadrático médio ou rms (do inglês root mean square) ou valor eficaz é a potência gerada por uma corrente e tensão alternada que tem o mesmo efeito de uma corrente e tensão contínua. Existe muita confusão quando se encontram referências a equipamentos de áudio em W (Watt) com valores discrepantes. Estes valores são valores de pico, podem induzir em erro.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;A potência P (pico-a-pico) - refere o nível de pico a pico - Peak-to-Peak. É a potencia entre os picos superiores e inferiores de saída. Pode ser calculado o valor RMS a partir deste valor usando a seguinte expressão Ppico-a-pico= 2 * Pico ou RMS = Pico / 1,414&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;9&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-5.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-5.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;70&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;9&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-6.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-6.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;7&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;9&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-7.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-7.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;24&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;10&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-8.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-8.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;32&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;10&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-9.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-9.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;23&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;9&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-10.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-10.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;3&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;12&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-11.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-11.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;16&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;10&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-12.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-12.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;4&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;10&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-13.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-13.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;6&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;89&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-14.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-14.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;155&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;A potência PMPO - refere o nível de pico de saída instantânea - Peak Momentary Performance Output. O valor é instantâneo e existem muitas formas de cálculo, sendo que cada fabricante pode dar um valor que mais lhe convém. A PMPO é uma medida realizada no máximo do máximo que um sistema sobre condições restritas pode fornecer. É importante por isso nos fatores de comparação usar algo constante a potência RMS&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Um amplificador áudio é um amplificador eletrônico que amplifica sinais compreendidos entre as frequências de 20 Hertz 20.0 hertz, com um nível apropriado o sinais podem colocar em funcionamento altofalantes. A primeira fase de um amplificador de áudio é composta por etapas executam tarefas como a pré-amplificação, controle de tom, equalização, mistura e efeitos ou fontes áudio como leitores gravadores, de cd ou cassetes. A maioria dos amplificadores necessitam de entradas de baixo nível. O sinal de entrada a um amplificador pode ser de apenas alguns micro-watts a sua saída pode ser dez, cem ou milhares dos watts. Quando referimos amplificadores de áudio e as suas etapas de saída, as configurações mais comuns são: A, B, AB, D, G, e H.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Classes de amplificadores&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Amplificador classe A: Usada apenas em amplificadores Hi-Fi, tanto transistorizados como com válvulas. Elevada fidelidade na reprodução, com um consumo de energia e libertação de calor muito alto, os transistores (ou válvulas) de saída conduzem de forma permanente, mesmo na ausência de sinal. Amplificador classe B: Apresenta distorção (de crossover) elevada em níveis baixos de sinal. Apenas metade dos transistores de saída conduzem de cada vez (cada semiciclo), daí a maior eficiência. Encontra-se este tipo de amplificadores em PA de alta potência e em equipamentos portáteis por causa do baixo consumo. Amplificador classe AB: Modo intermédio entre as classes anteriores (daí o nome), reunindo algumas vantagens de ambas. É a classe de amplificadores mais usada atualmente. Os transistores conduzem ligeiramente, quando na ausência de sinal. Amplificador classe D (ou PWM): Vulgarmente chamado &quot;amplificador digital&quot;, funciona segundo a técnica de modulação por largura de pulso (PWM). Usa-se de forma cada vez mais frequente em aplicações onde se exige alto rendimento como em multimídia ou telefonia. Recentes avanços no fabrico de transístores de alta velocidade, têm trazido melhorias na qualidade de áudio destes amplificadores. Amplificador classe G e H: Funcionam segundo princípios semelhantes, sendo a H uma evolução da G (em alguns países, as definições são invertidas). Cada um tem sua própria fonte de alimentação com valores diferentes, que atuam de acordo com o nível de saída exigido. Na classe H, a tensão mais alta da fonte é modulada pelo sinal de entrada. A classe H começa a ser comum em PA, nos amps para graves. A qualidade nas frequências altas ainda não satisfaz, mas novos aperfeiçoamentos prometem melhoras. Existem ainda algumas classes exóticas, como I (reúne classe A e D num único aparelho); A/AB ou super A (polarização variável, oscila entre A e AB); as defuntas classes E e F; classe J que combina as B e D; a classe S, semelhante à classe D; e algumas topologias proprietárias de certos fabricantes, como Crown, Sunfire (Carver), Tripath (classe T)&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Características das classes de amplificação mais comuns em áudio&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Classe A A/B B D H Eficiência Baixa Média Alta Alta Alta&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Qualidade baixas freq. Alta Alta Baixa Baixa Baixa&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Qualidade altas freq. Alta Alta Alta Alta Alta&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Relação&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Custo-Potência Fraca Média Média Boa Boa&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Relação&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Peso-Potência Fraca Média Média Boa Boa&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Informações iniciais para o recondicionamento de Alto-falantes, Cornetas, Drivers, Médios e Tweeters.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Alto-Falantes, quanto a seu tamanho&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Para maior facilidade, as dimensões dos alto-falantes são dadas em polegada, que é uma medida internacional.&lt;/div&gt;&lt;table style=&quot;-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; border-collapse: collapse;&quot;&gt;&lt;tbody&gt;
&lt;tr&gt;&lt;td style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;/td&gt;&lt;td style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Ex: Um falante que você mediu 25,4 cm basta agora você dividir 25,4 por 2,54 e o&lt;/td&gt;&lt;/tr&gt;
&lt;/tbody&gt;&lt;/table&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Caso você não saiba a medida do alto-falante, “ em polegadas ( 2,54 cm ) ”, utilize uma régua, meça em centímetros e divida por 2,54. resultado será um auto-falante de 10” ( dez polegadas ).&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Alto-falantes profissionais&lt;/div&gt;&lt;table style=&quot;-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; border-collapse: collapse;&quot;&gt;&lt;tbody&gt;
&lt;tr&gt;&lt;td style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;/td&gt;&lt;td style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;No caso dos alto-falantes profissionais, esses são fabricados com maior qualidade&lt;/td&gt;&lt;/tr&gt;
&lt;/tbody&gt;&lt;/table&gt;&lt;table style=&quot;-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; border-collapse: collapse;&quot;&gt;&lt;tbody&gt;
&lt;tr&gt;&lt;td style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;/td&gt;&lt;td style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Portanto, dada a qualidade do material, sua recuperação torna-se altamente&lt;/td&gt;&lt;/tr&gt;
&lt;/tbody&gt;&lt;/table&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;No que se refere a desempenho e qualidade, são vários os tipos de alto-falantes disponíveis no mercado. de modo a proporcionar um melhor desempenho em sua aplicação na sonorização de ambientes, é um mercado em constante evolução. vantajosa. Impedância&lt;/div&gt;&lt;table style=&quot;-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; border-collapse: collapse;&quot;&gt;&lt;tbody&gt;
&lt;tr&gt;&lt;td style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;etc&lt;/td&gt;&lt;td style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/tbody&gt;&lt;/table&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Cada alto-falante tem uma impedância específica, ou seja, um valor em Ohms, e que pode ser de 3,2 OHMS, 4 OHMS , 6 OHMS , 8 OHMS, 16 OHMS, 25 OHMS,&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Na falta de especificação da impedância no alto-falante, utilize um multímetro na escala de resistência e de preferência um multímetro digital. Potência&lt;/div&gt;&lt;table style=&quot;-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; border-collapse: collapse;&quot;&gt;&lt;tbody&gt;
&lt;tr&gt;&lt;td style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;referência em&lt;/td&gt;&lt;td style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;P.M.P.O ( potência máxima de pico de saída ), ou em R.M.S (&lt;/td&gt;&lt;/tr&gt;
&lt;/tbody&gt;&lt;/table&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;No próprio alto-falante encontramos estampada a potência, que poderá vir com relação métrica quadrada ) sendo está última a potência real.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Exemplo: um alto-falante de 1000 Watts P.M.P.O. tem potência de 277 Watts em R.M.S. Caso seu alto-falante esteja especificando a potência em P.M.P.O. e você queira saber qual é a potência em R.M.S., basta dividir por 3,6 para obter a potência real.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Na prática usamos dividir o valor indicado no auto-falante por 4, sendo, assim um falante que vem indicado uma potência de 1000 Watts dividida por 4 resulta em uma potência real de 250 Watts.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Como começar a limpar e tirar as medidas de um alto-falante?&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;São vários os cuidados para iniciar a limpeza de um ALTO-FALANTE: a) Verifique quantas polegadas é o auto-falante.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Retire o cone velho com muito cuidado, de modo a não danificar a bobina, pois nem sempre encontramos outra com a mesma impedância e diâmetro, meça a altura do cone.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Logo em seguida meça também a bobina, é comum a bobina vir a sua especificação em milímetros.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Retire agora a centragem, meça o seu diâmetro e também a sua altura. Na maioria dos alto-falantes importados, as bobinas e os cones são diferentes. Por isso às vezes torna-se necessário reutilizar esses componentes, desde que não estejam danificados. b) Observe com atenção se o cone é liso ou frisado. c) Verifique se o protetor é de papel, alumínio ou de fibra, se for necessária à troca, substitua pelo mesmo tipo para manter a originalidade.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Obs: Muitos fabricantes como Pioneer, Aiwa, Sony, JVC e outros, usam alto-falantes com cones de polietileno, obrigando-nos a mantê-los, uma vez que são encontrados no mercado de reposição.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Caso seja realmente necessária a troca do cone desse tipo de alto-falante, mantenha o original à mão como referência quando da aquisição de um novo.&lt;/div&gt;&lt;table style=&quot;-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; border-collapse: collapse;&quot;&gt;&lt;tbody&gt;
&lt;tr&gt;&lt;td style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;/td&gt;&lt;td style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Caso isso ocorra, utilize uma fita crepe ou adesiva para efetuar a limpeza.&lt;/td&gt;&lt;/tr&gt;
&lt;/tbody&gt;&lt;/table&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;É importante que as características destes se assemelham ao máximo às do original, com isso pode se cobrar mais pelo serviço. d) O imã é um componente muito importante, portanto verifique com atenção se o mesmo não está deslocado, quebrado ou mesmo trincado. e) Verifique atentamente se a bobina não está solta, quebrada ou desfiada dentro do sulco. f) Observe se a sujeira ou ferrugem não tomou conta do sulco.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Se necessário, desloque o imã e retire os resíduos, conforme explicaremos posteriormente. Antes da limpeza dos resíduos que ficaram na carcaça do auto-falante é necessário se colocar um pedaço de fita crepe fechando a parte central do imã do auto-falante. g) Na limpeza da carcaça, utilize Thinner para amolecer a cola e um formão para retirar os resíduos. h) No caso de carcaça enferrujada, lixe e pinte, pois em certos tipos de altofalantes, é interessante, do ponto de vista econômico, o aproveitamento para conservar a originalidade. i) Observe bem os terminais de ligação. Caso estejam quebrados, estes deverão ser consertados cuidadosamente, arrebitando-os antes de colar o cone ou qualquer outro material.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Muita atenção na hora da montagem desses terminais para que não fiquem em curto com a carcaça. Coloque-os antes de arrebitar a bucha de isolação.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Tipos de Alto-Falantes&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;A profundidade dos alto-falantes são bastantes variadas portanto, na hora da compra dos materiais, é aconselhável que se leve à carcaça a ser recuperada pois o cone tem três medidas de profundidade: alta, média e baixa ( reta ).&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;A centragem ou aranha; também pode ser alta, média e baixa ( reta ). Às vezes é necessário se colocar dois cones colados juntos, porque o autofalante é muito pesado, quer dizer, muito potente.&lt;/div&gt;&lt;table style=&quot;-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; border-collapse: collapse;&quot;&gt;&lt;tbody&gt;
&lt;tr&gt;&lt;td style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;/td&gt;&lt;td style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;A figura abaixo mostra em detalhes as partes de um auto-falantes em vista&lt;/td&gt;&lt;/tr&gt;
&lt;/tbody&gt;&lt;/table&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;O mesmo pode ocorrer com a centragem que, em certos casos convém colar duas centragens juntas, evitando assim que o auto-falante pule demais. explodida.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;364&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-15.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-15.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;472&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Alto-Falante com borda ou suspensão de esponja ou fibra&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Geralmente utilizados na instalação de som automotivo porque com esse tipo de&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;ALTO-FALANTE, podemos obter sons mais graves.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Nesse caso não é aconselhável a troca do cone de borda por um cone comum de papel, porque poderá haver alteração tanto na potência como na qualidade do som.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Passos para o recondicionamento de um auto-falante&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;1) Colocar a bobina no sulco do auto-falante e marcar a profundidade, lembrando que a melhor altura da bobina deve ser aquela em que a altura do enrolamento da bobina fique rente em cima com o tarugo central do imã do falante. 2) Em seguida cortar o furo da centragem exatamente na medida da bobina, cortando em seguida o furo do cone que é do mesmo tamanho do diâmetro da bobina. 3) Logo coloque a bobina, centragem e o cone, verificando se todos esses componentes estão na medida da carcaça.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Se todos os componentes colocados na carcaça do auto-falante estiverem bem ajustados poderemos prosseguir com a reparação, agora verifique bem pois, se o material colocado não ficar ajustado adequadamente ocasionara algum problema mais para frente.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Certifique-se pela altura do cone, se estiver acima da borda do auto-falante, você terá que substituir ou o cone ou a centragem e se estiver abaixo vale também a mesma dica.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Atenção Ainda não use cola alguma, só estamos testando o material que esta sendo preparado.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Colocação da bobina e gabarito de centralização&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Coloque a bobina no imã circular central do auto-falante, afunde até que a altura do enrolamento da bobina fique pareado no tarugo central do imã.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Em seguida coloque um ou mais gabarito de centralização em quantidade suficiente até que esta fique bem fixada e centralizada .&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Se for necessária maior firmeza na fixação, utilize mais um gabarito, até que se certifique que a bobina está bem fixada, para que essa não desloque quando for colocado o cone e a centragem.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Observe que a bobina possui um gap ou abertura em toda a sua extensão que é proposital para que o técnico reparador possa ver a altura do enrolamento da bobina que deve estar rente à parte de cima do tarugo do imã.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Logo, quando você confeccionar seus próprios gabaritos devera também manter esta abertura para que possa ver a altura do enrolamento da bobina. Veja na figura logo mais.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Importante&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Observe cuidadosamente a profundidade da bobina quando estiver fixando a mesma, É preferível deixar algumas espiras para cima do tarugo central para que esta não bata no fundo do auto-falante, quando o usuário aumentar demais o volume de seu equipamento.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;O próximo passo agora é partir para a preparação da centragem e sua colocação. Como é efetuado o corte da centragem e sua fixação é mostrado a seguir. Fique atento quanto ao tempo de cada passo respeitando o tempo mínimo de 10 minutos para cada colagem.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Agora nosso próximo passo é colocar a bobina sobre a centragem e marcá-la com a caneta retro-projetor, veja logo a seguir.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Em seguida com uma tesoura de ponta fina, corte a centragem exatamente em cima de onde você riscou, faça um corte o mais redondo possível para ajustar melhor ba bobina.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Se a bobina ainda não entrar na centragem você deve, pegar a tesoura e raspar em forma circular por dentro da centragem fazendo assim uma bainha e alargando a centragem.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;E se caso a bobina estiver entrando um pouco folgada na centragem, não haverá maiores problemas, desde que a folga não seja assim tão grande. Caso contrario você terá que colar com cola araudite um papel em volta da bobina aumentando o seu diâmetro.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Corte e colocação da centragem&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Coloque a bobina exatamente no centro da centragem e em seguida marque com a caneta retro-projetor circundando a bobina, marcando assim o local de corte na centragem. Retire a bobina e, com uma tesoura de ponta fina, corte a centragem exatamente em cima de onde você riscou.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Após a colocação da bobina, aplique a cola BRASCOPLAST na centragem e na carcaça do auto-falante.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Ainda não cole, aguarde pelo menos cinco minutos para, então, colar a centragem, porque esta cola é chamada de cola de contato e deve ser passada em ambas as partes e aguardar alguns minutos para uma boa adesão.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Colar agora a centragem apertando bem com os dedos ou com uma madeirinha para aderir melhor.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Não é necessário reforçar de cola a centragem porque a cola de contato ira aderir ainda mais com o tempo e emborrachar quase endurecendo já sendo o suficiente.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Com o aumento da temperatura durante o funcionamento do auto-falante, o calor pouco interfere com a cola, sem contar que, com o movimento de vai e vem do auto-falante, desloca-se ar que retira a temperatura de cima do auto-falante como um todo.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Alguns fabricantes dotam os seus auto-falantes com um duto, que vão de fora a fora e por dentro do imã formando assim um duto de ventilação resfriando o imã e todo o auto-falante.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Existe auto-falantes com o dobro da altura de seus imãs, motivo pelo qual, o fabricante já esta prevendo que o usuário ira colocar muita potência e com isso o auto-falante ira pular bel mais do que o normal.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Já outros fabricantes colocam dois imãs em seus auto-falantes, fazendo com isso um reforço nas linhas de forças que provem do imã, conseguindo um rendimento maior.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Após essa operação, verifique se a bobina continua na posição correta. Caso a bobina esteja fora da posição correta, você terá que ajustá-la novamente.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Em seguida, prepare a cola ARALDITE RÁPIDA em um pequeno pires para que seja colocada entre a bobina e a centragem.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Coloque uma camada de cola em boa quantidade para que ela possa entrar pelos furos da centragem, dando uma camada maior e reforçando a colagem tanto do lado de cima da centragem como do lado de baixo.&lt;/div&gt;&lt;table style=&quot;-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; border-collapse: collapse;&quot;&gt;&lt;tbody&gt;
&lt;tr&gt;&lt;td style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;para dentro do auto-falante e cole a bobina no imã&lt;/td&gt;&lt;td style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/tbody&gt;&lt;/table&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Outra dica, quando o auto-falante estiver secando em cada fase dos passos de montagem, colocar o auto-falante de cabeça para baixo, evitando assim que a cola escorra&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Caso isso ocorra, você terá que aquecer o falante em água quente, descolar tudo e recomeçar todo o trabalho, sem contar com a perda do material.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Auto-falante em processo de secagem de cabeça para baixo.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;130&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-16.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-16.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;424&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;130&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-17.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-17.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;424&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Preparação do cone&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Marcação do local onde será feito o corte do cone,. Veja a figura abaixo.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;195&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-18.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-18.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;424&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Depois do corte do cone veja se a bobina entra com certa facilidade no cone caso a bobina não entra pegue novamente a tesoura passe por dentro do cone e faça uma bainha alargando o cone, veja novamente se a bobina se ajusta bem ao cone.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Depois de colocar a cola entre a centragem e a bobina, utilize a cola BRASCOPLAST na carcaça e no cone, tomando o cuidado de deixar os fios no centro do cone e do lado dos terminais. (ver figura abaixo).&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Deixar sempre a mão um pedaço de pano e um pouco de thinner para a limpeza devido a se trabalhar com cola e tinta. Processo de se passar à cola BRASCOPLAST no cone, veja as figuras abaixo.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Figura 1&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;172&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-19.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-19.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;424&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Figura 2&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;236&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-20.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-20.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;424&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Após a fixação do cone, reforce a cola ARALDITE entre o cone e a bobina, do lado de dentro do cone, concluindo assim essa fase do trabalho, conforme a figura abaixo:&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Ligação do fio da malha entre o cone e os terminais&lt;/div&gt;&lt;table style=&quot;-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; border-collapse: collapse;&quot;&gt;&lt;tbody&gt;
&lt;tr&gt;&lt;td style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;/td&gt;&lt;td style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Veja a figura abaixo.&lt;/td&gt;&lt;/tr&gt;
&lt;/tbody&gt;&lt;/table&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Primeiramente faça dois pequenos furos no cone do alto-falante com uma punção ou mesmo com a tesoura para a passagem do fio de malha, esses orifícios deverão ficar próximos à bobina e do lado dos terminais para que não haja problemas na hora da colocação do protetor.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;186&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-21.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-21.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;424&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Se necessário for coloque provisoriamente o protetor em cima do cone e faça uma pequena marca com o lápis preto em cima do cone, retire o protetor e faça os furos com uma punção no meio da distancia entre a sua marcação e a bobina. Veja a figura abaixo.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;192&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-22.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-22.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;424&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Passe o fio de malha pelos furos e solde com o fio da bobina, em seguida, cole com&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;ARALDITE RAPIDA para a fixação dos pontos de solda, passe cola nos dois lados do cone, para que o cone e a malha não fiquem vibrando, logo em seguida solde também os fios de malha nos terminais do auto-falante não deixando os mesmos esticados.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Para maior segurança, utilize a mesma bitola do fio original, nunca deixando o fio de malha esticado, pois este precisa de folga para se movimentar com o cone.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Não utilize fio de malha muito fina, pois dependendo da potência do equipamento utilizado, este poderá romper-se. Aguarde dez minutos ou mais e verifique em seguida se a cola ARALDITE está seca.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Se já estiver seca, retirar os gabaritos, observando se a bobina não está raspando no imã.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Para esse teste pressione o cone com a mão e verifique se este não está encostando-se ao imã. Finalmente, faça um teste de áudio, e de preferência com baixo volume.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Se tudo estiver ajustado, passe para a fase de montagem do protetor, cole no centro do cone, fixando-o com a cola BRASCOPLAST, conforme mostra a figura abaixo.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Existem diversos tipos de protetores, tais como: protetor de tecido, de plástico, de acetato, de papel e de alumínio. O tipo de material a ser utilizado é uma opção pessoal&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Recomendamos porem muita atenção na hora da instalação do protetor, como esses auto-falantes em geral são pares a modificação do protetor de apenas um deles pode provocar distorções de som, descontentamento do cliente, sem contar no visual que ficaria diferente tirando a originalidade do auto-falante.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;» Tipos de falantes&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Os alto-falantes são escolhidos de acordo com a frequência sonora que irá reproduzir. Sendo assim, existem diversos tipos, cada um com uma função específica. Veja as diferenças:&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Woofers: Para sons graves, médio-graves e parte dos médios - grave de ataque. Os woofers equipam a maioria dos &quot;Trios-Elétricos&quot;, pela sua resposta de freqüência estendida. A faixa de freqüência em que eles operam varia de 50 Hz a 5000 Hz. Seu tamanho varia de 6&quot; a 18&quot;. São indicados para reproduzir sons como: Bumbo, tambor, parte do piano, parte do baixo e da guitarra.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;75&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-23.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-23.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;75&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Subwoofers: Para os sons subgraves - grave retumbante). Dividem-se basicamente em 2 categorias, a BOX (caixa) e a Free Air (ar-livre, tampão). Quanto maior for o seu Ímã, melhor. A faixa de freqüência em que eles operam varia de 20 a 1500 Hz. Seu tamanho varia de 8&quot;a 18&quot;. São indicados para reproduzir sons como: Contrabaixo, baixo eletrônico, bumbo da bateria, músicas c/ subgraves (CD-BASS).&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;75&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-24.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-24.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;75&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;75&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-25.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-25.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;75&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Mid-bass: Para os sons médio-graves. Os mid-bass são utilizados na parte frontal do carro, para aumentar a resposta de graves na parte da frente do carro. Em alguns casos eles são instalados nas portas onde é aproveitado o espaço interno da porta como caixa acústica. Em outros casos eles são usados em pezinhos. A faixa de freqüência em que eles operam varia de 60 a 50 Hz. Seu tamanho varia de 6&quot; a 8&quot;. São indicados para reproduzir sons como: Bumbo, tambor e outros.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Mid-range: Para os sons médios. Eles tem uma maior fidelidade na faixa de freqüência que cobre a voz. Também é usado em pezinhos. A faixa de freqüência em que eles operam varia de 200 a 3500 Hz. Seu tamanho varia de 3-1/2&quot; a 6&quot;. São indicados para reproduzir sons como: voz (preferivelmente) e a alguns instrumentos musicais que atuam entre 200 e 3500 Hz.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;75&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-26.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-26.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;75&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;75&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-27.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-27.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;75&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Full-range: Parte dos sons: graves, médios e agudos. São indicados para cobrir a maior parte da faixa audível. Ele é muito usado em pezinhos. A faixa de freqüência em que eles operam varia de 100 Hz a 12000 Hz. Seu tamanho varia de 4&quot; a 6&quot;. São indicados para reproduzir principalmente a voz e a maioria dos instrumentos musicais.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Tweeter - (para sons agudos): Existem tweeters de vários materiais. Eles vão do comum papelão ao moderno neodimium (o mais usado). Ele é usado em pezinhos e em cima do painel, sempre direcionados de forma correta.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;75&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-28.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-28.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;75&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;100&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-29.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-29.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;100&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Triaxial: Contém um woofer, um mid-range e um tweeter na mesma carcaça. Esses falantes são geralmente instalados nas portas e no tampão. Sua vantagem é reproduzir uma grande faixa de freqüência, porém, só há divisores que efetuam o corte subsônico, ou seja, eles atuam cortando os graves. Isso faz com que o woofer reproduza sons agudos, perdendo um pouco da qualidade sonora. A faixa de freqüência em que eles operam varia de 50 Hz a 20 KHz. Seu tamanho varia de 6&quot;, 6&quot;x 9&quot; e 8&quot;. São indicados para reproduzir sons como: todos, exceto contrabaixo, baixo eletrônico e bumbo da bateria.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Coaxial: Contém um wooofer e um tweeter na mesma carcaça. Esse falante é pratico, porém, com menor fidelidade. É muito usado em kits originais. Apresenta o mesmo problema dos divisores dos Triaxiais. A faixa de freqüência em que eles operam varia de 50 Hz a 20 KHz. Seu tamanho varia de 4&quot;,a 8&quot;, incluindo o oval 6&quot;x 9&quot;. São indicados para reproduzir sons como: todos, exceto contrabaixo, baixo eletrônico e bumbo da bateria&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;74&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-30.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-30.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;74&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Associação de subwoofers Impedância X Resistência&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;A resistência é a dificuldade que uma corrente elétrica contínua tem ao passar por um componente e a Impedância é a resistência à corrente variável em frequência portanto a impedância varia com a frequência também.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Associação de Subwoofers Bobina simples.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Podemos associar dois subwoofers em paralelo ou em série.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Associação em série.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Consiste em ligar um terminal de um sub no polo oposto do outro, isto é, o polo positivo(vermelho) de um, no polo negativo(preto) do outro (ou vice-versa), afim de termos um polo positivo e outro negativo sobrando como mostra a figura abaixo:&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;110&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-31.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-31.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;147&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;112&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-32.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-32.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;158&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;(ligação série de 2 subwoofers)&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Se você ligar polo positivo com polo positivo e utilizar os polos negativos (ou vice-versa), os cones de cada subwoofer se deslocarão em sentidos opostos causando o cancelamento de ondas sonoras, pois um força o ar para frente enquanto que o outro força o ar para trás resultando em deslocamento zero (supondo os subwoofer virados para um mesmo lado).&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;81&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-33.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-33.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;125&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;135&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-34.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-34.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;212&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;(cancelamento sonoro por deslocamento oposto)&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;A impedância equivalente medida nos 2 terminais, será a soma das impedâncias. A regra de soma vale para mais de 2 subwoofers ligados em série.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Associação de Subwoofers bobina dupla&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Observando um subwoofer de bobina dupla, notamos que ele possui 4 terminais (2 positivos(vermelho) e 2 negativos(preto)), internamente ele é composto por 2 bobinas independentes montadas em um suporte em comum. Podemos aproximar o subwoofer B.D. (bobina dupla) a 2 resistores. Portanto podemos ligar um subwoofer B.D. em paralelo ou em série com ele mesmo ou em conjunto com outro subwoofer B.D. sempre levando em conta a polaridade.Ligando as bobinas de um subwoofer B.D. em série.Liga-se polo positivo no polo negativo da outra bobina, sobrando o polo negativo da primeira bobina e o polo positivo da segunda bobina:&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;(ligação série de um subwoofer bobina dupla)&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;O resultado é um subwoofer com impedância igual a soma das impedâncias das bobinas e potência total igual à soma das potências suportadas por cada bobina.Se você ligar polo positivo de uma bobina com polo negativo da outra bobina e também o polo negativo de um com o polo positivo do outro (como na figura abaixo), as bobinas se deslocarão em sentidos opostos causando o descolamento das mesmas sobre o suporte cilindrico, travando o cone do subwoofer por dano, possivelmente por descolamento do fio da bobina.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;(deslocamento contra por ligação errada)&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Ligando as bobinas de um subwoofer B.D. em paralelo.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;105&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-35.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-35.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;273&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;(ligação de subwoofers em série)&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;112&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-36.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-36.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;170&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Associação em paralelo.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Consiste em ligar polo positivo(vermelho) no polo positivo(vermelho) de outro subwoofer e o polo negativo(preto) do primeiro no polo negativo do segundo como mostra a figura abaixo:&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;107&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-37.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-37.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;150&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;(ligação em paralelo de 2 subwoofers)&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Supondo que os dois subwoofers possuam a mesma impedância, o equivalente do conjunto será a metade da impedância dos subs. No nosso exemplo, os 2 subwoofers são de 4 Ohms e a impedância equivalente é de 2 Ohms. Mas a regra geral para mais de um subwoofer é:&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;R = (R1*R2)/(R1+R2) ou para mais subwoofers:&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;R = (R1*R2*R3*R4*...)/(R1+R2+R3+R4+...)&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Basta ligar polo positivo de uma bobina com o polo positivo da outra bobina e polo negativo de uma bobina com o polo negativo da outra bobina, o resultado é um sub com impedância equivalente à metade da impedância de uma das bobinas (quando iguais) e potência equivalente ao dobro da potência suportada por cada bobina.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;(ligação em paralelo de um subwoofer bobina dupla)&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;A ligação de um polo positivo no polo negativo e polo negativo no polo positivo da outra bobina também causará o deslocamento inverso das bobinas no interior do sub, danificando-o.Para utilização com outros subwoofers podemos simplificar os cálculos agrupando em conjuntos pequenos e calculando aos poucos. Ex: Temos 2 subwoofers B.D. cada uma com 2 bobinas de 4 Ohms e quero ligá-los em um amplificador de 2 canais bridge com impedância mínima de 4 Ohms&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;1a opção: (4 + 4)//(4 + 4) = (8)//(8) = 4 Ohms ligando em série as bobinas de um sub, fazendo o mesmo com outro sub e colocando em paralelo os dois subwoofers&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;2a opção: (4//4) + (4//4) = (2) + (2) = 4 Ohms ligando em paralelo as bobinas de um subwoofer, fazendo o mesmo com o outro sub e ligando em serie os dois subwoofers.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&quot;//&quot; indica a ligação em paralelo. O resultado é igual para ambos os casos: Impedância final de 4 Ohms e potência igual a soma das potências.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Crossover Alto-Falantes&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Para permitir uma melhor qualidade fabricam-se alto-falantes específicos para funcionar com uma melhor performance a determinada frequência.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Tweeter é um alto-falante usado para reproduzir a faixa de alta frequência (a partir de 5kHz) do espectro audível, ou seja, os sons mais agudos.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;84&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-38.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-38.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;93&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Woofer é um alto-falante usado para reproduzir frequências graves e médio-graves (300Hz para baixo). Woofers para frequências graves (abaixo de 120Hz) denominamse subwoofers.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;124&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-39.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-39.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;124&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Mid-range é um altifalante usado para reproduzir as frequências médias de áudio (300Hz a 5kHz). Também engloba os mid-bass, falantes mid-range voltados mais para os médio-graves.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;69&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-40.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-40.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;93&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;A resposta de um alto-falante a um impulso elétrico faz com que a sua impedância varie, e o som produzido é influenciado não só pelo movimento das bobinas internas como também da impedância que varia com o funcionamento.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Para compensar esta limitação de resposta em toda a gama de frequências de áudio utilizamse circuitos de filtragem para frequências (CROSSOVER)&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Crossover&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Um crossover é um circuito que filtra sinais baseado na frequência.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;High Pass&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Um crossover do tipo passa-alta (&quot;high pass&quot;) é um filtro que permite que frequências acima de um certo valor passem sem serem filtradas, e as abaixo do mesmo ponto continuam a passar pelo filtro, mas são atenuadas de acordo com a curva do crossover.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;9&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-41.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-41.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;94&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;59&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-42.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-42.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;196&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;10&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-43.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-43.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;9&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;0&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-44.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-44.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;2&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Low Pass&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Um crossover do tipo passa-baixa (&quot;low pass&quot;) é justamente o oposto, as baixas frequências passam, mas as altas são atenuadas.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;9&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-45.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-45.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;102&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;60&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-46.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-46.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;196&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;10&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-47.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-47.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;9&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Band Pass&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Um crossover do tipo passa-banda (&quot;band pass&quot;) é o que permite a passagem de uma certa gama de frequências, atenuando aquelas acima ou abaixo daquela faixa.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;9&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-48.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-48.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;82&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;60&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-49.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-49.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;196&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;10&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-50.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-50.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;9&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Crossover passivo&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Os crossovers passivos são constituídos por componentes passivos, ou seja, não possuem alimentação externa.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Crossover ativo&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Os crossovers ativos são constituídos por componentes ativos, ou seja, requerem alimentação externa. Como o da foto abaixo.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;86&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-51.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-51.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;228&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;85&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-52.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-52.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;228&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;66&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-53.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-53.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;267&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;66&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-54.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-54.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;267&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;66&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-55.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-55.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;267&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;82&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-56.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-56.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;420&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Crossover 12dB por Oitava Crossover 24dB por Oitava&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;91&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-57.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-57.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;282&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;9&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-58.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-58.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;12&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;5&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-59.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-59.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;2&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;39&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-60.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-60.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;90&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;92&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-61.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-61.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;296&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;9&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-62.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-62.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;12&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;33&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-63.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-63.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;84&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Programas para som automotivo&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Muitos procuram por programas especializados em projetos de som automotivo, cálculo de volume, dimensionamento de fusíveis e cabos, etc. O site AutoSom.net, fornece links para diversas empresas que produzem os mais variados softwares do gênero.&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;XactAutoSound&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;O primeiro programa no mundo que monta graficamente seu projeto sonoro. Especificações:&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;141&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-64.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-64.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;187&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;- lista de especificação dos produtos comercializados no mercado; - projetos personalizados para qualquer carro, qualquer marca e qualquer estilo; - cálculo de dimensionamento de cabos e fusíveis;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;- projeto de caixas acústicas completo;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;- divisores de frequência passivos de até 24dB/oitava;&lt;/div&gt;&lt;div style=&quot;margin-bottom: 25px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Além do XactAutoSound existem diversos outros programas para download.Não perca seu tempo, faça o download dos programas. Vá ao site http://autosom.net e aponte o mouse no botão &quot;projetos&quot;. Irá aparecer na parte inferior da barra de botões vários links. Clique em Softwares.&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;298&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-65.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-65.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;424&quot; /&gt;&lt;/div&gt;&lt;div class=&quot;img&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;img height=&quot;298&quot; original=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-66.png&quot; src=&quot;http://s3.amazonaws.com/magoo/ABAAABUh8AB-66.png&quot; style=&quot;border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline;&quot; width=&quot;424&quot; /&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class=&quot;answers&quot; style=&quot;margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 5px;&quot;&gt;&lt;a href=&quot;http://www.blogger.com/post-edit.g?blogID=6579930919462113089&amp;amp;postID=300474116573911630&quot; name=&quot;comments&quot; style=&quot;background-color: #f0f3f3; color: #0f6e90; font-family: Arial, Helvetica, sans-serif; font-size: 13px; line-height: 20px;&quot;&gt;&lt;/a&gt;&lt;span style=&quot;background-color: #f0f3f3; color: #333333; font-family: Arial,Helvetica,sans-serif; font-size: 13px; line-height: 20px;&quot;&gt;&lt;/span&gt;&lt;br /&gt;
&lt;h2 style=&quot;background-color: #f0f3f3; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-bottom-width: 3px; color: #333333; font-family: Arial, Helvetica, sans-serif; font-size: 16px; font-weight: normal; line-height: 22px; margin-bottom: 14px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Fonte&amp;nbsp;&lt;a href=&quot;http://www.ebah.com.br/content/ABAAABUh8AB/dicas-sobre-som-automotivo&quot; style=&quot;background-color: transparent;&quot;&gt;http://www.ebah.com.br/content/ABAAABUh8AB/dicas-sobre-som-automotivo&lt;/a&gt;&lt;/h2&gt;&lt;/div&gt;</description><link>http://openbass.blogspot.com/2012/03/dicas-sobre-som-automotivo.html</link><author>noreply@blogger.com (Anonymous)</author><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-6579930919462113089.post-5949516987058082473</guid><pubDate>Sun, 04 Mar 2012 02:26:00 +0000</pubDate><atom:updated>2012-03-03T18:26:11.918-08:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">Automotivo</category><category domain="http://www.blogger.com/atom/ns#">Som</category><title>COMO MONTAR UM SOM AUTOMOTIVO DE QUALIDADE</title><description>&lt;div style=&quot;background-color: white; color: #333333; font-family: Arial, Tahoma, Verdana; font-size: 12px; line-height: 18px; padding-bottom: 15px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;A escolha dos auto-&lt;a href=&quot;http://www.carangas.net/ml/som&quot; rel=&quot;nofollow&quot; style=&quot;color: #a91b33; text-decoration: none;&quot;&gt;falantes&lt;/a&gt;&lt;taghw&gt;&amp;nbsp; deve ser minuciosa, pois sempre nos deixamos nos enganar com anúncios de altas potências. Os que possuem potências menores, são melhores, pois são&amp;nbsp;&lt;a href=&quot;http://www.carangas.net/som-automotivo-como-montar-um-projeto-profissional-de-qualidade/#&quot; rel=&quot;nofollow&quot; style=&quot;border-bottom-color: initial; border-bottom-style: dotted; border-bottom-width: 1px; color: #b60000;&quot;&gt;potencias&lt;/a&gt;&amp;nbsp;reais. Para este projeto, adquira um par de Auto-&lt;/taghw&gt;&lt;a href=&quot;http://www.carangas.net/ml/som&quot; rel=&quot;nofollow&quot; style=&quot;color: #a91b33; text-decoration: none;&quot;&gt;Falantes&lt;/a&gt;&lt;taghw&gt;&amp;nbsp; Triaxiais 6×9. Com relação as marcar, procure por marcas conhecidas e com credibilidade de&amp;nbsp;&lt;a href=&quot;http://www.carangas.net/som-automotivo-como-montar-um-projeto-profissional-de-qualidade/#&quot; rel=&quot;nofollow&quot; style=&quot;border-bottom-color: initial; border-bottom-style: dotted; border-bottom-width: 1px; color: #b60000;&quot;&gt;mercado&lt;/a&gt;&amp;nbsp;como Bravox, Pionner, entre outras.&lt;/taghw&gt;&lt;/div&gt;&lt;div style=&quot;background-color: white; color: #333333; font-family: Arial, Tahoma, Verdana; font-size: 12px; line-height: 18px; padding-bottom: 15px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Os Kit MidBass 2 Vias 6″ são falantes compostos por um falante de 6″, por onde é emitido frequências média e grave e um&amp;nbsp;&lt;a href=&quot;http://www.carangas.net/ml/som&quot; rel=&quot;nofollow&quot; style=&quot;color: #a91b33; text-decoration: none;&quot;&gt;tweeter&lt;/a&gt;&amp;nbsp;separado para as frequências agudas. Assim o som fica sem distorção e com a divisão das frequências, você sente o som mais vivo dentro do&amp;nbsp;&lt;a href=&quot;http://www.carangas.net/ml/veiculos&quot; rel=&quot;nofollow&quot; style=&quot;color: #a91b33; text-decoration: none;&quot;&gt;carro&lt;/a&gt;&lt;taghw&gt;. Existem muitos modelos no mercado de diversas marcas, com preços que podem variar de R$ 240,00 à R$ 2.500,00. Mas lembre-se:&lt;a href=&quot;http://www.carangas.net/som-automotivo-como-montar-um-projeto-profissional-de-qualidade/#&quot; rel=&quot;nofollow&quot; style=&quot;border-bottom-color: initial; border-bottom-style: dotted; border-bottom-width: 1px; color: #b60000;&quot;&gt;qualidade&lt;/a&gt;&amp;nbsp;nem sempre é associada a preço elevado.&lt;/taghw&gt;&lt;/div&gt;&lt;div style=&quot;background-color: white; color: #333333; font-family: Arial, Tahoma, Verdana; font-size: 12px; line-height: 18px; padding-bottom: 15px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;O Subwoofer pode depender da sua vontade. Alguns subwoofers por serem de 10″, se comportam como os de 12″ ou 15″. No geral, a preferência mesmo é o tamanho. Impressionar visualmente faz parte do show. Mas se a ideia é ter um bom custo / benefício, prefira os Subwoofers de 10″ da bravox. Além da explosão de grave, não lhe ocupará tanto espaço e não lhe custará tanto.&lt;/div&gt;&lt;div style=&quot;background-color: white; color: #333333; font-family: Arial, Tahoma, Verdana; font-size: 12px; line-height: 18px; padding-bottom: 15px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;A escolha da Caixa Dutada ou Selada depende muito do tamanho do alto-falante e do espaço que você quer ocupar no seu porta-malas. Como a fabricação dessa peça evoluiu, é possível encontrar caixas de fibra de vidro que podem ser moldadas ao&amp;nbsp;&lt;a href=&quot;http://www.carangas.net/ml/veiculos&quot; rel=&quot;nofollow&quot; style=&quot;color: #a91b33; text-decoration: none;&quot;&gt;veiculo&lt;/a&gt;. Faça um calculo de litragem do sub para arrancar o máximo de potência que ele lhe oferece. Existe também as caixas dutadas em madeira MDF que são mais baratas e tem um custo médio de R$ 130.&lt;/div&gt;&lt;div style=&quot;background-color: white; color: #333333; font-family: Arial, Tahoma, Verdana; font-size: 12px; line-height: 18px; padding-bottom: 15px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: center;&quot;&gt;&lt;img alt=&quot;projetosom Som automotivo: como montar um projeto profissional de qualidade&quot; class=&quot;aligncenter&quot; height=&quot;456&quot; src=&quot;http://www.carangas.net/images/projetosom.jpg?cda6c1&quot; style=&quot;display: block; margin-bottom: 10px; margin-left: auto; margin-right: auto;&quot; title=&quot;projeto de som&quot; width=&quot;514&quot; /&gt;&lt;/div&gt;&lt;div style=&quot;background-color: white; color: #333333; font-family: Arial, Tahoma, Verdana; font-size: 12px; line-height: 18px; padding-bottom: 15px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Para o&amp;nbsp;&lt;a href=&quot;http://www.carangas.net/ml/som&quot; rel=&quot;nofollow&quot; style=&quot;color: #a91b33; text-decoration: none;&quot;&gt;amplificador&lt;/a&gt;&amp;nbsp;é preciso ter um carinho extra na hora da escolha. Você pode gostar e querer aumentar a quantidade de som la na frente. Para isso, deve-se preparar o terreno. Uma opção para um bom começo, mas pensando lá na frente, é o Roadstar Power One de 2.400 Watts. Este&amp;nbsp;&lt;a href=&quot;http://www.carangas.net/ml/som&quot; rel=&quot;nofollow&quot; style=&quot;color: #a91b33; text-decoration: none;&quot;&gt;amplificador&lt;/a&gt;&amp;nbsp;aguenta sem chorar o que esse projeto lhe oferece e permite dobrar a potência sem aumentar o numero de amplificadores. Apesar de ser um tanto antigo, você terá um excelente custo/benefício. É fácil de se encontrar peças novas e não é tão caro.&lt;/div&gt;&lt;div style=&quot;background-color: white; color: #333333; font-family: Arial, Tahoma, Verdana; font-size: 12px; line-height: 18px; padding-bottom: 15px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Para a escolha do Rádio&amp;nbsp;&lt;a href=&quot;http://www.carangas.net/ml/som&quot; rel=&quot;nofollow&quot; style=&quot;color: #a91b33; text-decoration: none;&quot;&gt;CD-Player&lt;/a&gt;&amp;nbsp;ou&amp;nbsp;&lt;a href=&quot;http://www.carangas.net/ml/dvd&quot; rel=&quot;nofollow&quot; style=&quot;color: #a91b33; text-decoration: none;&quot;&gt;DVD&lt;/a&gt;&amp;nbsp;Player, prefira os aparelhos de maior qualidade e fidelidade sonora. Aparelhos que possuam uma quantidade de saídas bem satisfatória. Procure por aparelho que tenham saídas acima de 45 Watts e saídas RCA, para uma perfeita equalização do som. As marcas mais indicadas são: Sony, Boosters, JVC, Pionner, Clarion, Alpaine. Não esqueça dos Cabos, Conectores, Porta Fuzivel, Plugs RCA, entre outras miudezas.&lt;/div&gt;&lt;div style=&quot;background-color: white; color: #333333; font-family: Arial, Tahoma, Verdana; font-size: 12px; line-height: 18px; padding-bottom: 15px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;Fonte&amp;nbsp;&lt;a href=&quot;http://www.carangas.net/som-automotivo-como-montar-um-projeto-profissional-de-qualidade/&quot; style=&quot;background-color: transparent;&quot;&gt;http://www.carangas.net/som-automotivo-como-montar-um-projeto-profissional-de-qualidade/&lt;/a&gt;&lt;/div&gt;&lt;div style=&quot;background-color: white; color: #333333; font-family: Arial, Tahoma, Verdana; font-size: 12px; line-height: 18px; padding-bottom: 15px; padding-left: 0px; padding-right: 0px; padding-top: 0px;&quot;&gt;&lt;br /&gt;
&lt;/div&gt;</description><link>http://openbass.blogspot.com/2012/03/como-montar-um-som-automotivo-de.html</link><author>noreply@blogger.com (Anonymous)</author><thr:total>0</thr:total></item></channel></rss>