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Revox PR99 buzz - Gearspace.com
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Revox PR99 buzz
Old 22nd January 2013
  #1
Lives for gear
 
8 Reviews written
🎧 10 years
Revox PR99 buzz

I have a Revox PR99 that works well but sometimes I hear some quiet buzz at playback, like some really high 50Hz harmonics. I'd say that it's most noticeable around 6 kHz, but I can hear it pretty much in the whole upper spectrum. The interesting thing is that if I press stop and then play again the buzz is usually gone.
Does anyone have any idea what could be the cause?

Any help would be great, thanks
Old 24th January 2013
  #2
Lives for gear
 
8 Reviews written
🎧 10 years
Any idea?
Old 28th January 2013
  #3
Lives for gear
 
8 Reviews written
🎧 10 years
No one?
Old 10th May 2013
  #4
Lives for gear
 
8 Reviews written
🎧 10 years
I've solved the problem. A metal plate which acts as a faraday shield for some of the cards bacame loose and touched the output amplifier card. Now the machine works great.
Old 10th May 2013
  #5
Lives for gear
 
🎧 5 years
Cool. Thanks for telling us about the solution. So many threads here are open-ended and no one learns anything.
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