• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Yaqin MC-100B... anyone modded for tape loop?

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Why would I need to buffer the output?

Charles.

Many recording devices present a low I/P impedance, especially when powered off. Quite a few tubed phono sections interact very badly with such a load. :( Remember, the recording O/Ps get connected to the source selection circuitry and they are in parallel with the power circuitry.

I have to look at the schematic again. In the mean time, please answer my previous question about jack usage.
 
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