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In Reply to: RE: Tube health judging by Maximatcher ll readings posted by Paul Kehayas on March 21, 2024 at 10:19:30
Transconductance generally falls off with use, so it is an indication of condition. As transconductance drops, distortion may increase. Peak emission is what determines maxim power output capability - though it isn't easily measured without a curve tracer, it generally drops with usage as well.
Follow Ups:
Thank you for that! Makes sense.
Paul
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