• 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.

KT88 single stage pp - cascode diff amp

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Andrewbee

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Joined 2002
lets try this again. In the interests of full disclosure I found this on a commercial site where they have posted the schematic along with the amplifier. If there is a problem with it being posted then the I am sure the powers that be will remove it. In the meantime I think it may stimulate some discussion.

Class a of course.
 

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