I'm not sure what the idea is behind those reisistors, I suggest you put the amp back to stock condition and get it working properly. Then you can try some mods if you like.
The only 40W Sunn amp I have uses the old Dynaco chassis. It has a 1W 1K resistor for feedback.
The only 40W Sunn amp I have uses the old Dynaco chassis. It has a 1W 1K resistor for feedback.
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