• 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.

Will this circuit work?

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I don't see a problem. The sensitivity looks just about right with a little less than 2V peak to clip the output stage, and having lots of headroom in the driver (i.e. using only a small part of its available swing) is a very good thing in my opinion.

Really, it all looks very good to me with the 5687.

-- Dave
 
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