In Reply to: RE: 300B - Is this thermal runaway ? posted by Burney on October 27, 2021 at 00:24:10:
Yes, if the tube is healthy with about 340 volts across the tube and only 50 volts bias there should be some 240ma of plate current flowing. That would melt the plate.
Tre'
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- RE: 300B - Is this thermal runaway ? - Tre' 10:39:23 10/28/21 (0)