8 awg copper o.f. Standard twist.
Real 8 ga wire. Barely fit in my knockoff Nakamichi banana plugs.
belden for amp to preamp
main system Groneberg pre to amp, same 8ga speaker wire
audioquest cd to pre.
the Belden ceased the radio station tweeter interference,as with audioquest it was audible.
audioquest used are topaz and quartz.
have XLR pair.
I may test the silver cables, they did slightly boost the treble and upper mids.