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Low THD of Opt Cathode feedback
Low THD of Opt Cathode feedback
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Old 21st March 2012, 11:32 PM   #11
Ejam is offline Ejam  Australia
diyAudio Member
Join Date: Aug 2004
Location: Queensland
Default Thanks Thorsten


Thanks for the added information on your circuit. I remember Eisenson did a modification of the Dyna Stereo 70 back in the 70's using the same cathode feedback arrangement. The front end was similar to your's but with a pentode first tube to a triode concertina phase splitter. I think he retained the 7199 for these duties. Perhaps, an ECF80 would be a better choice. Nice to hear things are working out.

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