In Reply to: RE: What is the "sound" of microphonic tubes? posted by Ray Moth on October 26, 2014 at 16:36:02:
I recall DLM saying that DF finds only 1 in 15 samples of 7B4 acceptable for his SE DC 2A3 mono amps in term of microphonics.
Apparently this is needed for correct "jump factor" in a low current driver stage.
A microphonic tube would normally be dismissed by the average builder of typical mid-fi tube amps.
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Follow Ups
- RE: What is the "sound" of microphonic tubes? - deathtube 667 18:09:00 10/26/14 (2)
- RE: What is the "sound" of microphonic tubes? - Tre' 18:55:36 10/26/14 (1)
- RE: What is the "sound" of microphonic tubes? - deathtube 667 20:25:01 10/26/14 (0)