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In Reply to: RE: Why is DC crazy? posted by Frihed89 on June 11, 2017 at 23:34:49
They are not the easiest to implement; they can be more challenging than to dial in, stability can be an issue, and the output tube is left exposed if the driver fails. There are ways of mitigating these practical challenges. I reckon the sonic advantages of direct-coupling outweigh its disadvantages.
The amp I'm currently designing (I've just finished designing the sub-chassis and mounts) will be a 6C6 direct-coupled to a 2A3 running at low dissipation. Don't know what it will sound like - hopefully different (maybe "better"?) than my present amp.
Cheers,
91.
"Confusion of goals and perfection of means seems to characterise our age." Albert Einstein
Follow Ups:
Don worked alone. Too bad his work can't be carried on commercially, although he may have left some hand-drawn circuits behind. He sent me one for my 2A3 monos, that he said, was "pretty close". I'll have to dig to find the email.Incidentally, Stereophile posted an obituary a few days ago.
Edits: 06/12/17
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