Quote Originally Posted by walpurgis View Post
Going by the bench test for the amp 19v is a little higher than I'd want to use, in any case the one I bought seems just fine with it when set at 12v.

I have got a beefier 12v power supply somewhere that I may try with it.
From memory! the TPA3116 is OK up to 24V, I've used mine at that voltage. You won't get much power output at 12V and 8 Ohms.