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Posted: 11/6/2019 2:53:30 AM EDT
My M&K V12 sub just started making a terrible noise while watching TV. The signal from the receiver is all static-y and if I unplug the RCA signal cable I get a pulsing chirping sound with just the power cord plugged in. I am using a Denon S720W receiver and haven't changed anything with the system. All components get power from a Panamax power management box, and include the Denon receiver, a tv, cable box, and a Roku. Wtf is going on?
Link Posted: 11/6/2019 3:22:17 AM EDT
[#1]
Probably a bad capacitor.
Link Posted: 4/27/2020 5:21:21 PM EDT
[#2]
Is the sub power cable connected to the panamax too?
If so, try to plug it into a different outlet without the RCA to troubleshoot, preferably in a different circuit of the home.
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