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11 Hours Ago
B+ was at 396v and 35mA bias voltage and overheating causing pcb copper to show thru around power tubes. Raised voltage to 422vdc and 20mA and...
0 replies | 3 view(s)
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3 Weeks Ago
I can't provide meaningful comments on the 60/90 W observation. not having owned a 2/90/2, it's possible the low-power switch only affects power amp...
1 replies | 549 view(s)