you should have +- 10 milivolts at the output when the amp is cold and with no load.
You adjust that by the VR1 pot
The bias should be set to 10 milivolts between the speaker terminal (the red one) and the resistance that is behind the output (remove the small cover) .Adjust with VR2
You adjust that by the VR1 pot
The bias should be set to 10 milivolts between the speaker terminal (the red one) and the resistance that is behind the output (remove the small cover) .Adjust with VR2
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