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In Reply to: RE: 300B Tube-life expectancy... SURVEY!!! posted by Tone! on November 29, 2007 at 23:41:19
DIY 300b push pull. Cathode biased with 430vdc plate 72vdc cathode. About 26 watts plate dissipation per tube.
After two years now the EH Gold look and test as new.
Tre'
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