Still not sure where to go for power on my next build, most likely it will be a 3500 of some sort. Thinking of the BC3500 or SAZ3500 Between these two amps in question, what are the efficiency/SQ differences?
For the hell of it, here is the PCB of the BC3500
And of the SAZ3500 v.1
For the hell of it, here is the PCB of the BC3500
And of the SAZ3500 v.1
