Posted by Cheetah [ 24.93.120.120 ] on March 18, 2005 at 22:27:42:
Het T,
Couple questions!
Is the B+ tied to the grid of the 5687 in the cascode? Its not clear on the schematic.
Also thoughts about using center tapped filament transformer, AC heating on output tubes, in place of the balance pot. Should be easy to implement, but how does the sound compare?
Joe
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