Quote:
Originally Posted by jr_tech
Looks like an attempt to "improve" the audio, by increasing the low frequency response. Mine did not have the added cap... perhaps it was added later by a serviceman. Nothing critical there, I would just use ceramic caps to replicate the circuit.
jr
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On the other hand, the 1 meg resistor and the 820 k resistor on the board should 5% tolerances or better, because they set the grid bias on the audio output tube.
jr