Originally Posted by Fabrik8
8 gauge is fine, but you've forgot that class A/B amps are only about 60% efficient (max) though, so make that 260 divided by 12 divided by roughly .6, which is 36 amps instead of 22.
True, I wasn't really thinking about audio applications, just the various hook-up wire I've used in the past.
I suppose it's easier not to worry about fancier insulation types in this case. I doubt he's gonna go out and buy teflon insulated wire just so he can use a smaller guage.