Question about Boston Acoustics MediaTheater Computer Speakers

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Background hum I am now using the Boston Acoustic digital media Theatre speaker set from a Gateway purchase with a new Dell PC. When the speakers are switched on there is an immediate and annoying background hum from the sub. It is apparently independent of the soundcard, and disconnecting any units make no impact until you disconnect the satellite unit withe power switch on-it, at which point it turns-off. Has something fixable failed, is this a mains frequency (50Hz vs 60Hz) consequence, can I sink this noise to earth or a capacitor in some way?

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  • jpzanella
    jpzanella Apr 14, 2013

    I havethis unit and the power cord on the unit needs to be replaced...any body know where I can get one

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I fixed the same issue by replacing the original AC power supply with a 13.8 volt DC power supply (Radio Shack) It seems to be more consistent at high SPL and no hum , as the Boston acoustic unit accepts either AC or DC power.

Posted on Jun 13, 2010

  • brandonkapp Jul 27, 2011

    can you be more specific on the 13.8 volt dc do you think you can find it on the internet and tell me I realy appreciate it thanks

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