Receivers, Amps, and Processors
I have my Yamaha RX-V773WA L/R pre-outs connected to a Crown XLS 1500 PA. When L/R speakers are directly connected to the AVR, I get no buzz. The AVR pre-outs are connected to the PA inputs over RCA. So here is what I did so far to identify/isolate source of the problem:
1. From the PA...