Speaker Cable Guage


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.



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I began collecting data about the microphones used by blue harp players before there was an internet. I began organizing it into JT30.com in the late 1990s. I accumulated more stuff than I remember. This is some of it.

Street Theory

A Harp Player’s Guide to Music Theory

Learning Harp

Picking Up Blues Harp

A guide to learning to play Blues Harp

Microphone Information

Usenet Articles

Harp Amps

I've been collecting Harp Amps for a while. This is the old Harpamps.com website. There is lots of information here. Here a coupld of links.

Harp Tab

A collection of songs and riffs that I’ve worked out over the years, plus some libraries of stuff I’ve converted to tablature. I’ve included most of the notes and instructions that helped me when I was learning to play blues harmonica.

Basic Riffs Simple harp tabs for songs Blues riffs and phrases.

Harp-L Archives 1992 to 2002


Harp Frequently Asked Questions