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    C24, 25, 26, and 27 were checked and were fine...

    C24, 25, 26, and 27 were checked and were fine but while I had them out I just replaced them, but long story short I am just going replace a majority of the capacitors on the board just to get them...
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    I tested a 9 volt battery its reading as 9.26...

    I tested a 9 volt battery its reading as 9.26 volts, on AC its reading as 19.2 volts so yeah this meter can't read A/C correctly with DC voltage present, its a cheap $7 Harbor Freight meter that I...
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    I did check for A/C voltage on C1 and C2, from...

    I did check for A/C voltage on C1 and C2, from ground I'm getting 0 volts on C2 but 95 volts on C1.

    On the DC side from ground I'm getting +44/-44 so it makes no sense why 95 volts A/C is leaking...
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    Ok, I'll see if I can figure that out, its only...

    Ok, I'll see if I can figure that out, its only buzzing for about 10 seconds and then it goes away.

    Here is what I figured out earlier this evening...

    I hooked up two DMMs to the outputs of Q1...
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    I think that one side of the power supply is...

    I think that one side of the power supply is coming up to voltage before the other which is causing the bias to be at 0.08 and then slowly come up to 0.10 and make the speakers buzz, so what I am...
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    Thank you for the schematic, what I didn't...

    Thank you for the schematic, what I didn't realize is that I have been looking at the old version of the schematic where the Q1 and Q2 resistors were 150 ohms, this amp has apparently already been...
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    SUNN SR4150 running hot.

    I have a Sunn (Fender) SR4150 that I bought from a relative, it was used for years with their band and finally developed a problem with the volume cutting out on it on all four channels, they no...
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