In Reply to: RE: The link is to a post by Rage not GSH nt posted by rage on February 28, 2015 at 02:56:52:
You would probably need to run the pentode driver as a pentode w/feedback and measure again to see if the distortion from the driver stage can be lowered.
FWIW, the 7B4/2A3 combo at the standard 60mA operating points produced the best 1W THD% I measured when I had that circuit on a breadboard.
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- RE: distortion ... - deathtube 667 03:42:04 03/10/15 (0)