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  1. #1

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    Jan 2008

    Default High-pitched whine coming from my subwoofer

    Cross-posted fromt he subwoofer forum...

    In the last week I've noticed a high-pitched whine coming from the's pretty loud and very annoying. As soon as I power off the sub it goes away and once I power it back on it seems to take a bit for it to start up (maybe 30 seconds).

    Any guesses what it might be?

    I have a DSW Pro400 (about 2 months old) connected to an Onkyo 705 with a 16' monster subwoofer cable. I get the noise whether or not the sub is connected to the just has to be powered on.


  2. #2

    Member Sales Rating: (24)

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    Nov 2005
    Gaithersburg, MD


    Have you tried using a cheater plug? somethimes those help - could be a grounding problem with the outlet or electrical interference with something else being used along that electrical path.


  3. #3

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    Mar 2002
    The Mars Hotel


    The mouse needs cheese.
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    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end."

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  5. #5

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    Oct 2006
    The tube lair in Charlotte, NC


    Haha. For the Polk service guys.....

    This was originally a double post.
    In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence.

    The best way to enjoy digital music reproduction is to never listen to good analogue reproduction.

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