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  1. #1

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    Oct 2013

    Default Psw10 Subwoofer emitting strange sound

    Recently had to disconnect the sub to paint the room, was working fine. When I reestablished the subwoofer connection, the subwoofer emits a strange constant sound, sounds like ummmmmmmmmmm

    Subwoofer connection to receiver (sub pre-out)
    Y split cable to subwoofer
    Low pass set to 180
    Phase switch - have tried each position

    Am I doing anything wrong? Did something happen to the subwoofer?


  2. #2

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    Aug 2013
    Abbotsford BC


    Check to make sure you've fully inserted the RCA plugs everywhere along the chain of wire, sometimes a loose RCA cable can cause a ummmmmmmmmmm type of sound.
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  3. #3

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    Feb 2011


    unplug the cable going into the back of the subwoofer, is the hum gone? possible ground issues from the receiver, y-cable, etc. worse case you could float it. are you using the exact same power outlets, locations, cables, etc as before?

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