Quote:
Originally Posted by mbates14
Problem is, I would be coupling directly into the audio output tube, Not sure it would have enough volume as most audio amps at least have a pre-amp tube?
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Good point, line output level of the source player is about 1 volt, and 1 K or 10 K impedance. An low input Z like an op-amp or transistor stage is needed. The 6JD8 detector stage output level needs to be duplicated to drive the output stage.
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Last edited by DavGoodlin; 01-05-2018 at 03:39 PM.
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