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ARCHIVED FORUM -- April 2007 to March 2012
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This is the first Archived Forum which was active between 17th April 2007 and 1st March February 2012

 

Latest post 08-22-2010 8:37 PM by RNRGAGNE. 2 replies.
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  • 08-22-2010 3:51 PM

    What did I do to my Beogram RX?????

    Hello,

    I wonder if someone in the know might be able to point me in the right direction. I just replaced the RCA leads & ground cable for my Beogram RX turnable, soldering new ones to the internal board, a fairly simple process. Strangely, after hooking it back up when I turn up the volume on my system past a certain point the motor in the Beogram starts to vibrate like crazy to the point where the needle won't track. The more I turn the volume up the worse it gets.

    Anyone have a clue what I might have done wrong, or what to look for?

    I used a pair of coax Acoustic Research cables, using a comon ground like the old ones and did nothing to the A/C line.

  • 08-22-2010 4:37 PM In reply to

    • Dillen
    • Top 10 Contributor
    • Joined on 02-14-2007
    • Copenhagen / Denmark
    • Posts 5,008
    • Founder

    Re: What did I do to my Beogram RX?????

    Welcome to Beoworld !
    Sounds like acoustic feedback.
    In other words, the record and needle acts as a giant microphone, picking up the
    vibrations in the air and sending them to the amplifier, which then amplifies the signal
    and sends it out to the speakers.
    Round and round it goes.

    Is your Beogram placed in front or too near the speakers ?
    On the same shelf etc.?

    Martin

  • 08-22-2010 8:37 PM In reply to

    Re: What did I do to my Beogram RX?????

    Thanks for the welcome and reply.

    It's actually in the same location it was in before I changed the leads, and there was no problem. I'm pretty sure it's not feedback, since you can actually feel the chassis vibrating when I turn up the volume.

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