squeeling feedback

Discussion in 'General Electronics Chat' started by PRS, Jan 31, 2010.

  1. PRS

    Thread Starter Well-Known Member

    Aug 24, 2008
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    35
    Does anyone know what causes an amplifier to squeel when it's on a stage with a microphone? The squeel is a sine wave, I think, and it has something to do with reasonance, but what is it?
     
  2. VoodooMojo

    Active Member

    Nov 28, 2009
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    53
  3. Nanophotonics

    Active Member

    Apr 2, 2009
    365
    3
    It's feedback into the microphone.
     
  4. bertus

    Administrator

    Apr 5, 2008
    15,647
    2,346
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