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previous: Man o'Blues Steve,I measured it at the ... -- 9/14/2003 9:16 PM View Thread

Re: Zener added and WOW! But.....

9/15/2003 9:57 AM
steve conner
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Re: Zener added and WOW! But.....
quote:
"I measured it at the grids of the CF and at the output grids."
 
 
OK then... maybe the CFs are drawing grid current :(  
 
quote:
"I have no idea how waveform assymetry could also cause bias shift"
 
 
Neither have I :( The coupling caps should adjust things so the waveform is symmetrical about the mean. But in practice when driving the ***&& out of an amp I have seen strongly asymmetrical waveforms that leave one power tube glowing and the other one cold.

 
Replies:
Ray Ivers Steve,[QUOTE]The coupling c... -- 9/15/2003 12:35 PM