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Speaker Cable Guage

http://www.webervst.com/wwwboard/amps/messages/15779.html

Posted by ted on July 14, 2000 at 21:59:25:

In Reply to: home made speaker cable…..? posted by chris on July 14, 2000 at 18:38:47:

#18 or #16 will work fine. Here’s the rule of thumb I use:

0 to 20 watts 18 gauge.
20 to 40 watts 16 gauge.
40 to 80 watts 14 gauge.
80 to 120 watts 12 gauge.
120 to 200 watts 10 gauge.

That’s for (up to) a 6 foot cable.

move down two gauges for each doubling of cable length
For instance, on a 12ft cable instead of 6ft, use 16 gauge instead of 18 on the 20 watt cable.
That table covers the worst case (2 ohm load) typically seen in guitar amp enclosures.

Ted

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