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            <title>Calculando Impediência Alto Falante</title>
            <link>http://equipemonstersound.yolasite.com/dicas-som-altomotivo/resources/Dicas_Som_altomotivo/dicas-som-altomotivo/calculando-impediência-alto-falante</link>
            <description>&lt;a href=&quot;http://sombox.com.br/calculos/CalcuAltoPara.html&quot; target=&quot;new&quot; class=&quot;&quot;&gt;&lt;img src=&quot;http://equipemonstersound.yolasite.com/dicas-som-altomotivo/resources/Dicas_Som_altomotivo/resources/Dicas_Som_altomotivo/impendancia paralelo.gif&quot; class=&quot;yui-img&quot;&gt;&lt;/a&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;a href=&quot;http://sombox.com.br/calculos/CalcuAltoSerie.html&quot; target=&quot;new&quot; class=&quot;&quot;&gt;&lt;img src=&quot;http://equipemonstersound.yolasite.com/dicas-som-altomotivo/resources/Dicas_Som_altomotivo/resources/Dicas_Som_altomotivo/impendancia serie.gif&quot; class=&quot;yui-img&quot;&gt;&lt;/a&gt;&lt;br&gt;&lt;br&gt;&lt;blockquote style=&quot;border-left-width: 2px; border-left-style: solid; border-left-color: rgb(204, 204, 204); color: rgb(102, 102, 102); padding-top: 5px; padding-right: 10px; padding-bottom: 1px; padding-left: 10px; margin-top: 10px; margin-right: 10px; margin-bottom: 10px; margin-left: 10px; font-style: italic; font-size: 12px; line-height: 18px; &quot;&gt;&lt;blockquote style=&quot;border-left-width: 2px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-top: 5px; padding-right: 10px; padding-bottom: 1px; padding-left: 10px; margin-top: 10px; margin-right: 10px; margin-bottom: 10px; margin-left: 10px; &quot;&gt;&lt;blockquote style=&quot;border-left-width: 2px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-top: 5px; padding-right: 10px; padding-bottom: 1px; padding-left: 10px; margin-top: 10px; margin-right: 10px; margin-bottom: 10px; margin-left: 10px; &quot;&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;b style=&quot;color: rgb(255, 255, 255); &quot;&gt;R – resistência (Ohms –&amp;nbsp;&lt;img src=&quot;http://sombox.com.br/imagens/ohms.jpg&quot; alt=&quot;&quot; align=&quot;absmiddle&quot; class=&quot;yui-img&quot;&gt;)&lt;/b&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;b style=&quot;color: rgb(255, 255, 255); &quot;&gt;Z – impedância (Ohms –&amp;nbsp;&lt;img src=&quot;http://sombox.com.br/imagens/ohms.jpg&quot; alt=&quot;&quot; align=&quot;absmiddle&quot; class=&quot;yui-img&quot;&gt;)&lt;/b&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;b style=&quot;color: rgb(255, 255, 255); &quot;&gt;U – tensão (Volts – V)&lt;/b&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;b style=&quot;color: rgb(255, 255, 255); &quot;&gt;I – corrente (Ampère – A)&lt;/b&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;&lt;b&gt;R = V / I&amp;nbsp;&lt;/b&gt;ou no nosso caso&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;b&gt;&amp;nbsp;Z = V / I&amp;nbsp;&lt;/b&gt;portanto;&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;b style=&quot;color: rgb(255, 255, 255); &quot;&gt;I = V / Z&lt;/b&gt;&lt;/p&gt;&lt;/blockquote&gt;&lt;/blockquote&gt;&lt;/blockquote&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-size: 12px; &quot;&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;com esta fórmula podemos ver que ao diminuirmos a impedância, temos um valor maior de corrente, e muitas vezes este valor não é suportado pelo equipamento. Devemos ter muito cuidado com associações de alto-falantes, respeitando sempre a impedância mínima do equipamento (amplificador, rádio, etc).&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-size: 12px; &quot;&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;&lt;b style=&quot;line-height: 1.5; &quot;&gt;Associação em série&lt;/b&gt;&lt;span style=&quot;line-height: 1.5; &quot;&gt;PARA REALIZAR CALCULOS&lt;/span&gt;&lt;br&gt;&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-size: 12px; &quot;&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;A associação em série é muito utilizada no meio de áudio em geral, pois muitas&amp;nbsp;&lt;span style=&quot;line-height: 1.5; &quot;&gt;vezes não possuímos equipamentos capazes de suportar baixos valores de impedância, o que nos faz utilizar uma associação em série. A associação em série resulta sempre em um aumento do valor da impedância, pois o resultado final de uma associação em série será a soma de todas as resistências (impedâncias) do sistema. Podemos calcular o resultado de uma associação em série a partir da seguinte fórmula:&lt;/span&gt;&lt;b style=&quot;line-height: 1.5; &quot;&gt;Ztotal = Z1 + Z2 + Z3 + Z4 + …… + Zn&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-size: 12px; &quot;&gt;&lt;b style=&quot;color: rgb(255, 255, 255); &quot;&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_allto_serie.jpg&quot; alt=&quot;&quot; width=&quot;570&quot; height=&quot;310&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/b&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-size: 12px; &quot;&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;&lt;b&gt;Associação em paralelo&lt;/b&gt;&amp;nbsp;PARA REALIZAR CALCULOS&amp;nbsp;&lt;a href=&quot;http://sombox.com.br/#&quot; target=&quot;_parent&quot; style=&quot;color: rgb(44, 68, 94); text-decoration: none; &quot; class=&quot;&quot;&gt;&lt;br&gt;&lt;/a&gt;&lt;/span&gt;&lt;/p&gt;&lt;div id=&quot;publicidade&quot; style=&quot;color: rgb(51, 51, 51); font-size: 12px; line-height: 18px; &quot; class=&quot;yui-wk-div&quot;&gt;&lt;/div&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-size: 12px; &quot;&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;A associação em paralelo é muito utilizada em casos onde se pode aplicar um baixo valor de impedância, pois com isso pode-se tirar um melhor aproveitamento do aparelho. Quanto menor for a impedância, maior será a potência fornecida pelo aparelho. Vale observar que todos equipamentos possuem um limite, e isto deve ser respeitado. O resultado da associação em paralelo pode ser obtido através da seguinte fórmula:&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-size: 12px; &quot;&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/associacao_02.gif&quot; alt=&quot;&quot; width=&quot;324&quot; height=&quot;46&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-size: 12px; &quot;&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;Esta fórmula pode ser utilizada com quantos alto-falantes forem necessários, porém se houverem&lt;b&gt;apenas dois alto-falantes&lt;/b&gt;, pode-se utilizar a seguinte fórmula:&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-size: 12px; &quot;&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/associacao_03.gif&quot; alt=&quot;&quot; width=&quot;324&quot; height=&quot;46&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-size: 12px; &quot;&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;Caso todos os alto-falantes tenham o mesmo valor de impedância, basta dividir o valor da impedância pelo número de alto-falantes conforme a fórmula abaixo:&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-size: 12px; &quot;&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;&lt;img class=&quot;alignnone yui-img&quot; src=&quot;http://sombox.com.br/imagens/associacao_04.gif&quot; alt=&quot;&quot; width=&quot;362&quot; height=&quot;79&quot;&gt;&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-size: 12px; &quot;&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;A associação em paralelo pode ser obtida através da seguinte ligação:&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-size: 12px; &quot;&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_allto_paralelo.jpg&quot; alt=&quot;&quot; width=&quot;570&quot; height=&quot;310&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-size: 12px; &quot;&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;IMPORTANTE:&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-size: 12px; &quot;&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;1 – A solda entre o fio e os terminais dos alto-falantes tem que ser de boa qualidade.&lt;br&gt;2 – Sempre respeitar as polaridades dos alto-falantes.&lt;br&gt;3 – Em caso da utilização de amplificadores de alto potência utilize fio de bitola grossa 10, 12 na ligações com os alto-falantes&lt;br&gt;4 – Para evitar a queima de woofers, drivers e tweters sempre faça a utilização de um crossover passivo ou ativo.&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-size: 12px; &quot;&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;Esse esquema de ligação é para 8 alto falantes de 18 Polegadas 4 ohms de 1100 WRMS para um modulo de 10.000 WRMS&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-size: 12px; &quot;&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_ligacao_woofer/img01.gif&quot; alt=&quot;&quot; width=&quot;650&quot; height=&quot;400&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-size: 12px; &quot;&gt;&lt;b style=&quot;color: rgb(255, 255, 255); &quot;&gt;Ligações de alto falantes de dupla bobina?&lt;/b&gt;&lt;/p&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;&lt;br&gt;&lt;/span&gt;&lt;p style=&quot;margin-bottom:15.0pt;line-height:normal&quot;&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;A Maioria dos alto
falantes automotivos é de 2ohms, 4ohms, 2+2ohms ou 4+4ohms e os profissionais
de 4 e 8ohms, sendo assim a ligação dos falantes tem que ter a mesma impedância
dos amplificadores, ou seja, se o módulo possui 2 saídas de 4ohms, você tem que
ter dois falantes de 4ohms, um em cada canal.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt;&lt;/p&gt;

&lt;p style=&quot;margin-bottom:15.0pt;line-height:normal&quot;&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;Tecnicamente,
impedância é o resultado da reatância capacitiva e da reatância indutiva em um
determinado circuito. De uma maneira bastante resumida, impedância pode ser
definida como a resistência elétrica (medida em Ohms) de um circuito por onde
passa uma corrente alternada. Em um alto-falante essa resistência varia de
acordo com a freqüência (medida em Hz) dessa corrente elétrica. E é justamente
porque varia conforme a freqüência que a resistência de um alto-falante
chama-se impedância (e não simplesmente resistência). Também por esse motivo
você nunca vai conseguir medir a impedância de um alto-falante apenas usando um
multímetro.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt;&lt;/p&gt;

&lt;p style=&quot;margin-bottom:15.0pt;line-height:normal&quot;&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;Bobina Dupla X
Bobina Simples&lt;br&gt;
A Bobina dupla foi inventada para poder combinar mais ligações apenas, ela tem
o mesmo tamanho e potência da simples (no caso do mesmo modelo de falante) e
por isso NÃO TOCA MAIS, as duas são iguais quanto à potência, e em alguns casos
muda-se alguns poucos parametros do falante.&lt;br&gt;
A Bobina dupla é dividida em 2, ou seja, tem 2 saídas, 2 pares (+) e (-) e pode
ser ligada em Série ou Paralelo, já a bobina simples, pode ser ligada em série
ou paralelo se combinar 2 ou mais falantes.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt;&lt;/p&gt;

&lt;p style=&quot;margin-bottom:15.0pt;line-height:normal&quot;&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;Ligação em
paralelo:&lt;br&gt;
O objetivo de se fazer uma ligação em paralelo é o de diminuir o valor da
impedância. Quanto mais alto-falantes ligados em paralelo menor será a
impedância. Para se ligar um ou mais alto-falantes em paralelo basta unir os
pólos positivos com os pólos positivos e os negativos com os negativos, o valor
final da impedância é calculado pela seguinte fórmula:&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt;&lt;/p&gt;

&lt;p style=&quot;margin-bottom:15.0pt;line-height:normal&quot;&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;Z = 1 / [ (1/z1) +
(1/z2) + ... (1/zn)]&lt;br&gt;
onde:&lt;br&gt;
Z = impedância final&lt;br&gt;
z1 = z2 = zn = impedância nominal de cada alto-falante envolvido na ligação&lt;br&gt;
* Em resumo, a ligação em Paralelo DIVIDE a impedância, onde 4 falantes
dividido por 4ohms (caso forem 4ohms cada) ficaria então 4/4=1ohm, ou veja mais
exêmplos de ligações mais abaixo.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt;&lt;/p&gt;

&lt;p style=&quot;margin-bottom:15.0pt;line-height:normal&quot;&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;Ligação em série: O
objetivo de se ligar alto-falantes em série é aumentar o valor da impedância.
Quanto mais alto-falantes ligados em série maior será a impedância. Para se
ligar um ou mais alto-falantes em série, basta unir o pólo positivo do primeiro
alto-falante com o pólo negativo do segundo alto-falante. Dessa forma, sobram
dois pólos (um positivo e um negativo) os quais serão ligados ao amplificador.
O valor final da impedância é calculado pela seguinte fórmula:&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt;&lt;/p&gt;

&lt;p style=&quot;margin-bottom:15.0pt;line-height:normal&quot;&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;Z = z1 + z2 + … zn&lt;br&gt;
onde:&lt;br&gt;
Z = impedância final&lt;br&gt;
z1 = z2 = zn = impedância nominal de cada alto-falante envolvido na ligação&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt;&lt;/p&gt;

&lt;p style=&quot;margin-bottom:15.0pt;line-height:normal;background:
white&quot;&gt;&lt;span style=&quot;color: rgb(255, 255, 255); font-family: 'Lucida Grande', 'Arial Unicode MS', sans-serif; font-size: 12px; text-align: left; &quot;&gt;&amp;nbsp;Em resumo, a ligação em Série SOMA a impedância, onde por exêmplo 2 falantes de 4ohms em série, ficariam 4+4= 8ohms, ou veja mais exêmplos de ligações mais abaixo.&lt;/span&gt;&amp;nbsp;&lt;font color=&quot;#ffffff&quot;&gt;&lt;br&gt;&lt;/font&gt;&lt;/p&gt;&lt;span class=&quot;yui-tag-span yui-tag&quot; tag=&quot;span&quot; style=&quot;color: rgb(255, 255, 255); &quot;&gt;&lt;span style=&quot;color: rgb(51, 51, 51); font-size: 12px; line-height: 18px; background-color: rgb(240, 240, 240); &quot;&gt;LIGAÇÕES DE ALTO FALANTES COM BOBINAS DUPLAS (BD)&lt;/span&gt;&lt;/span&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; font-size: 12px; &quot;&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; font-size: 12px; &quot;&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_ligacao_woofer/img03.gif&quot; alt=&quot;&quot; width=&quot;500&quot; height=&quot;160&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; font-size: 12px; &quot;&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_ligacao_woofer/img04.gif&quot; alt=&quot;&quot; width=&quot;520&quot; height=&quot;160&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; font-size: 12px; &quot;&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_ligacao_woofer/img05.gif&quot; alt=&quot;&quot; width=&quot;520&quot; height=&quot;160&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; font-size: 12px; &quot;&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_ligacao_woofer/img06.gif&quot; alt=&quot;&quot; width=&quot;520&quot; height=&quot;160&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; font-size: 12px; &quot;&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_ligacao_woofer/img07.gif&quot; alt=&quot;&quot; width=&quot;520&quot; height=&quot;160&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; font-size: 12px; &quot;&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_ligacao_woofer/img08.gif&quot; alt=&quot;&quot; width=&quot;520&quot; height=&quot;160&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; font-size: 12px; &quot;&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_ligacao_woofer/img09.gif&quot; alt=&quot;&quot; width=&quot;520&quot; height=&quot;160&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; font-size: 12px; &quot;&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_ligacao_woofer/img10.gif&quot; alt=&quot;&quot; width=&quot;520&quot; height=&quot;160&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; font-size: 12px; &quot;&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_ligacao_woofer/img11.gif&quot; alt=&quot;&quot; width=&quot;520&quot; height=&quot;160&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; font-size: 12px; &quot;&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_ligacao_woofer/img12.gif&quot; alt=&quot;&quot; width=&quot;520&quot; height=&quot;160&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; font-size: 12px; &quot;&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_ligacao_woofer/img13.gif&quot; alt=&quot;&quot; width=&quot;560&quot; height=&quot;160&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; font-size: 12px; &quot;&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_ligacao_woofer/img14.gif&quot; alt=&quot;&quot; width=&quot;560&quot; height=&quot;160&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; font-size: 12px; &quot;&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_ligacao_woofer/img15.gif&quot; alt=&quot;&quot; width=&quot;560&quot; height=&quot;160&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; font-size: 12px; &quot;&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_ligacao_woofer/img16.gif&quot; alt=&quot;&quot; width=&quot;560&quot; height=&quot;160&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; font-size: 12px; &quot;&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_ligacao_woofer/img17.gif&quot; alt=&quot;&quot; width=&quot;560&quot; height=&quot;280&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/p&gt;&lt;h2 style=&quot;margin-top: 1em; margin-right: 0px; margin-bottom: 1em; margin-left: 0px; font-size: 20px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; line-height: 18px; &quot;&gt;&lt;b&gt;&lt;br&gt;&lt;/b&gt;&lt;/h2&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; font-size: 12px; &quot;&gt;&lt;b&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_ligacao_woofer/img18.gif&quot; alt=&quot;&quot; width=&quot;520&quot; height=&quot;160&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/b&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; font-size: 12px; &quot;&gt;&lt;b&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_ligacao_woofer/img19.gif&quot; alt=&quot;&quot; width=&quot;520&quot; height=&quot;160&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/b&gt;&lt;/p&gt;&lt;p style=&quot;line-height: 1.5; margin-top: 0px; margin-right: 0px; margin-bottom: 1.25em; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; font-size: 12px; &quot;&gt;&lt;b&gt;&lt;img class=&quot;alignleft yui-img&quot; src=&quot;http://sombox.com.br/imagens/img_ligacao_woofer/img20.gif&quot; alt=&quot;&quot; width=&quot;520&quot; height=&quot;160&quot; style=&quot;float: left; margin-top: 0px; margin-right: 1em; margin-bottom: 1em; margin-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(221, 221, 221); border-right-color: rgb(221, 221, 221); border-bottom-color: rgb(221, 221, 221); border-left-color: rgb(221, 221, 221); text-align: center; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(243, 243, 243); padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; &quot;&gt;&lt;/b&gt;&lt;/p&gt;</description>
            <pubDate>Fri, 11 May 2012 18:58:08 +0100</pubDate>
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