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In Reply to: RE: Audio on the bias posted by Triode_Kingdom on April 25, 2015 at 11:39:53:
In terms of grid signal, I don't see the difference between grounding a tiny portion through the C- rail filter, or connecting the grid resistor directly to ground.
I agree with you because the grid leak resistor sees AC ground when it hooks to the C- supply but to be honest,I only saw the audio on a couple dyna MK3s and one other fixed bias amp. As far as effective filtering goes that would make sense but being there is so little current involved how effective does it have to be?..Mcintosh used a single 10uf cap in their C- rail but for some reason the the full wave bridge with the little toroid seemed so effective.
"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken
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- RE: Audio on the bias - Michael Samra 19:23:21 04/25/15 (0)
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