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**BStone63** · 10-13-2021, 01:07 PM

I got 73V on one side of R311 and 29V on the other and the print says it should be 40V.

g1 · 10-14-2021, 12:12 AM

That supports J M Fahey suspicion of bad Q302 in post #8.

**BStone63** · 10-15-2021, 09:22 PM

Thanks. Q302 was my suspect all along. Ordered a replacement for Q302 and R311.

g1 · 10-15-2021, 10:54 PM

Originally posted by BStone63 View Post

Ordered a replacement for Q302 and R311.

Be careful if you are trying to get the original part (40410). They are obsolete and there are a lot of fakes out there.

**BStone63** · 10-16-2021, 09:44 AM

I ordered one from Talon Electronics, hopefully it will be OK. This is a bass amp for a friend and I want it to be perfect.

**Enzo** · 10-16-2021, 07:53 PM

Actually I have a bunch of them stashed away. NOS still in the original RCA boxes.

**BStone63** · 10-16-2021, 08:58 PM

Thanks Enzo. I might PM you if I don't get the right piece.

Acoustic 136 distortion