I have a yamaha home theater amp and when I hook up my frount main speakers I get a loud hilicoctor sound from my speakers. It also seems it has a lot of poower pushibg throug the speaker wire because it sparks hard when I try to kook the speakers up. Both the neg and positves are right. Do you think the amps bad?
measure the resistance on the speaker cables and see if they are
shorted (less than 4 ohms) somewhere. Swap around the speakers
and amp ouputs to isolate what is the cause.
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