I'm running 2 powered subs via y cable from my Denon 1506 reciever and I noticed left sub has hum in it even when reciever off ,hum goes away if i turn sub in question off or unplug it from power scource what would cause this? also hum goes down if I dial down that subs volume I am puzzled to why any suggestions?
One of my subs started humming after I added my Buttkickers amp ... I connected one of this, and problem solved :yes:
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