Belden 1313A is 10 AWG OFC design that is exactly what you elude to wanting. It should be very affordable. Grab some crimp then solder spades and your set.
This cable has a very full sound and is not bright by nature, but still is decently coherent up higher. Bass is great.
This cable has a very full sound and is not bright by nature, but still is decently coherent up higher. Bass is great.