In Reply to: RE: The lm317 is a constant voltage source posted by Triode_Kingdom on May 9, 2016 at 12:22:21:
With motorboating I would also look for the possibility of low frequency coupling within the B+ supplies to the different stages in the amp. Relying on the caps in PS RC filters to shunt noise and signals to ground thus isolating different stages becomes more problematic the lower the frequency of the offending signal.
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- RE: The lm317 is a constant voltage source - JKT 12:48:38 05/09/16 (0)