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Cathode current sink for st-70 ?

Posted on June 15, 2021 at 00:29:24
Posts: 1
Joined: June 15, 2021
As a first step in upgrading my st-70 while waiting for Kevin's mark III upgrade kit, I'd like to replace the output cathode resistors with a pair of the cathode current sinks. Anyone tried this yet? Any suggestions?


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