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RE: Modified Futterman OTL amplifier

I don't know how I inspired you in any way, but you do beautiful work. Thanks for the post, and I will be sending for the schematic, just to satisfy my curiosity.

I am wondering how to apply a minimal amount of NFB around the output stage of a circlotron, just to reduce output Z down to a level acceptable for driving my Sound Lab speakers. Goal is to get the output Z down to 1 or 2 ohms from 6 or 7 ohms.


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  • RE: Modified Futterman OTL amplifier - Lew 13:08:40 06/04/11 (0)

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