Thread: What's going on in this circuit?
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  #11  
Old 03-15-2021, 08:41 PM
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Electronic M Electronic M is offline
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Join Date: Jan 2011
Location: Pewaukee/Delafield Wi
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Making the output cathodes supply 12V to the preamp heaters was a favorite trick of Bell/TRW amplifiers in the 50s and 60s....I own one with that configuration.
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