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Heartbeat sound in home theater subwoofer?

I just moved and set up my system just as previous. I have checked wiring and ground and yet it persists. Only thing that gets rid of it is to unplug it. It continues even when disconnected from the receiver. I have searched but seems it's predominantly in car stereos. Help!?

2 Answers

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  • ?
    Lv 7
    7 years ago
    Favorite Answer

    Have the amplifier in the subwoofer checked.

    It may have developed a fault during the move.

    [From U.S. via Y!A Canada]

  • 7 years ago

    sounds like the your getting spikes. try a low pass filter

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