royal58
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Powered Loudspeaker buzzing noise
bierfeldt
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But I wonder if it could be 60hz humm from a ground loop. If it happens the second you plug it in tha could be. Is everything plugged into the same power strip?

royal58
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Yes, everything is plugged into the same power strip. I've tried plugging it into another outlet and even plugged it into another room and still makes the humming sound.

commsysman
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bierfeldt wrote:

But I wonder if it could be 60hz humm from a ground loop. If it happens the second you plug it in tha could be. Is everything plugged into the same power strip?

It is probably a bad power supply circuit in the subwoofer.

Get a recommendation for a qualified local audio technician from
a local audio dealer, and let him troubleshoot it.

royal58
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Thank you for the advice!

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