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OTL, Output Transformerless Amplifier User Group.

RE: Futterman OTL 3 power supply trafo




this is the voltages you should see on a working otl-3
the idle current of 336.6 is a little high,
if using efficient speakers or Quad electrostat's the you can drop that down to 150ma,
I usualy set the Idle current around 250ma

hope this helps.


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