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In Reply to: RE: Bias source from B+ or seperate trans, which is better? posted by drlowmu on August 08, 2014 at 09:46:18
that the bias supply should "feel" the dynamics of the main power supply?
Thanks!
Follow Ups:
What ??? I would like to know what you are talking about.
The bias supply, in fixed bias, is mixed directly with the music signal, on the control grid of the tube, supply needs to be squeeky clean !!
Jeff Medwin
Jeff, The argument is that the tap off the PT for the bias supply is part of the PT. Therefore, it "sees" EMF changes of the PT due to demands on the power supply.
Guess it's not an issue. Just wondered what your thoughts were, on this topic.
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