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<table border="0" cellspacing="1" width="100%" align="center" valign="top"><tr><td valign="top" colspan="10" bgcolor="#00099"><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>Guía de selección de cable</b></font></td></tr><tr>
<td rowspan="2" width="14%" bgcolor="#00099"><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>Potencia(%)</b></font></p>
<p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>Pérdida (dB)</b></font></td>
<td colspan="3" width="25%" bgcolor="#00099"><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>4 Ohm</b></font></td>
<td valign="top" colspan="3" width="27%" bgcolor="#00099"><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>8 Ohm</b></font></td><td colspan="3" width="33%" bgcolor="#00099"><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>Línea 70V</b></font></td></tr><tr><td valign="top" width="8%" bgcolor="#00099"><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>11%</b></font></p>
<p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>.05</b></font></td><td valign="top" width="8%" bgcolor="#00099"><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>21%</b></font></p><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>1.0</b></font></td><td valign="top" width="9%" bgcolor="#00099"><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>50%</b></font></p><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>3.0</b></font></td><td valign="top" width="8%" bgcolor="#00099"><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>11%</b></font></p><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>0.5</b></font></td><td valign="top" width="9%" bgcolor="#00099"><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>21%</b></font></p><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>1.0</b></font></td><td valign="top" width="10%" bgcolor="#00099"><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>50%</b></font></p><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>3.0</b></font></td><td valign="top" width="10%" bgcolor="#00099"><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>11%</b></font></p><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>.05</b></font></td><td valign="top" width="11%" bgcolor="#00099"><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>21%</b></font></p><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>1.0</b></font></td><td valign="top" width="12%" bgcolor="#00099"><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>50%</b></font></p><p align="center"><font color="#FFFFFF" face="Arial,Helvetica"><b>3.0</b></font></td></tr>



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<td valign="top" width="14%"><p align="center"><font face="Arial,Helvetica">12 AWG</font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">140 </font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">305 </font></td>

<td valign="top" width="9%"><p align="right"><font face="Arial,Helvetica">1150 </font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">285 </font></td>

<td valign="top" width="9%"><p align="right"><font face="Arial,Helvetica">610 </font></td>

<td valign="top" width="10%"><p align="right"><font face="Arial,Helvetica">2285 </font></td>

<td valign="top" width="10%"><p align="right"><font face="Arial,Helvetica">6920 </font></td>

<td valign="top" width="11%"><p align="right"><font face="Arial,Helvetica">14890 </font></td>

<td valign="top" width="12%"><p align="right"><font face="Arial,Helvetica">56000 </font></td>

</tr>

<tr>

<td valign="top" width="14%"><p align="center"><font face="Arial,Helvetica">14 AWG</font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">90 </font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">195 </font></td>

<td valign="top" width="9%"><p align="right"><font face="Arial,Helvetica">740 </font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">185 </font></td>

<td valign="top" width="9%"><p align="right"><font face="Arial,Helvetica">395 </font></td>

<td valign="top" width="10%"><p align="right"><font face="Arial,Helvetica">1480 </font></td>

<td valign="top" width="10%"><p align="right"><font face="Arial,Helvetica">4490 </font></td>

<td valign="top" width="11%"><p align="right"><font face="Arial,Helvetica">9650 </font></td>

<td valign="top" width="12%"><p align="right"><font face="Arial,Helvetica">36300 </font></td>

</tr>

<tr>

<td valign="top" width="14%"><p align="center"><font face="Arial,Helvetica">16 AWG</font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">60 </font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">125 </font></td>

<td valign="top" width="9%"><p align="right"><font face="Arial,Helvetica">470 </font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">115 </font></td>

<td valign="top" width="9%"><p align="right"><font face="Arial,Helvetica">250 </font></td>

<td valign="top" width="10%"><p align="right"><font face="Arial,Helvetica">935 </font></td>

<td valign="top" width="10%"><p align="right"><font face="Arial,Helvetica">2840 </font></td>

<td valign="top" width="11%"><p align="right"><font face="Arial,Helvetica">6100 </font></td>

<td valign="top" width="12%"><p align="right"><font face="Arial,Helvetica">22950 </font></td>

</tr>

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<td valign="top" width="14%"><p align="center"><font face="Arial,Helvetica">18 AWG</font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">40 </font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">90 </font></td>

<td valign="top" width="9%"><p align="right"><font face="Arial,Helvetica">340 </font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">85 </font></td>

<td valign="top" width="9%"><p align="right"><font face="Arial,Helvetica">190 </font></td>

<td valign="top" width="10%"><p align="right"><font face="Arial,Helvetica">685 </font></td>

<td valign="top" width="10%"><p align="right"><font face="Arial,Helvetica">2070 </font></td>

<td valign="top" width="11%"><p align="right"><font face="Arial,Helvetica">4450 </font></td>

<td valign="top" width="12%"><p align="right"><font face="Arial,Helvetica">16720 </font></td>

</tr>

<tr>

<td valign="top" width="14%"><p align="center"><font face="Arial,Helvetica">20 AWG</font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">25 </font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">50 </font></td>

<td valign="top" width="9%"><p align="right"><font face="Arial,Helvetica">195 </font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">50 </font></td>

<td valign="top" width="9%"><p align="right"><font face="Arial,Helvetica">105 </font></td>

<td valign="top" width="10%"><p align="right"><font face="Arial,Helvetica">390 </font></td>

<td valign="top" width="10%"><p align="right"><font face="Arial,Helvetica">1170 </font></td>

<td valign="top" width="11%"><p align="right"><font face="Arial,Helvetica">2520 </font></td>

<td valign="top" width="12%"><p align="right"><font face="Arial,Helvetica">9500 </font></td>

</tr>

<tr>

<td valign="top" width="14%"><p align="center"><font face="Arial,Helvetica">22 AWG</font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">15 </font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">35 </font></td>

<td valign="top" width="9%"><p align="right"><font face="Arial,Helvetica">135 </font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">35 </font></td>

<td valign="top" width="9%"><p align="right"><font face="Arial,Helvetica">70 </font></td>

<td valign="top" width="10%"><p align="right"><font face="Arial,Helvetica">275 </font></td>

<td valign="top" width="10%"><p align="right"><font face="Arial,Helvetica">820 </font></td>

<td valign="top" width="11%"><p align="right"><font face="Arial,Helvetica">1770 </font></td>

<td valign="top" width="12%"><p align="right"><font face="Arial,Helvetica">6650 </font></td>

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<td valign="top" width="14%"><p align="center"><font face="Arial,Helvetica">24 AWG</font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">10 </font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">25 </font></td>

<td valign="top" width="9%"><p align="right"><font face="Arial,Helvetica">85 </font></td>

<td valign="top" width="8%"><p align="right"><font face="Arial,Helvetica">20 </font></td>

<td valign="top" width="9%"><p align="right"><font face="Arial,Helvetica">45 </font></td>

<td valign="top" width="10%"><p align="right"><font face="Arial,Helvetica">170 </font></td>

<td valign="top" width="10%"><p align="right"><font face="Arial,Helvetica">520 </font></td>

<td valign="top" width="11%"><p align="right"><font face="Arial,Helvetica">1120 </font></td>

<td valign="top" width="12%"><p align="right"><font face="Arial,Helvetica">4210 </font></td>

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<p><font face="Arial,Helvetica" size="3">las distancias se indican en pies. 1 m = 3.2809 pies. 1 pie = 0.3048 m</font></p>



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O sea por ejemplo un cable calibre 14 con un sistema de 8 Ohms (bocina y ampli) perderá:

en 185 pies / 56m: 0.5db (11% de potencia)
en 395 pies / 120m: 1dB (21% de potencia)
en 1480 pies / 450m: 3dB (50% de potencia)

Recuerden que elevar tres decibles una señal requiere incrementos del doble en watts y esto es una variación apenas perceptible. Para oir el doble d evolumen se requiere 10 veces la potencia.

Saludos ojalá les sea util
Eduardo:

No se si sea mi PC, pero solo veo una imagen hasta el final.
No es tu imaginación hasta le fondo del mensaje aparece en si la tabla de valores, no sé por que hace eso... Chequé el HTML pero en este y otro foro pasa lo mismo, no asi en el editor HTML.


Saludos.