• 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.

preamp for buddys computer

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karma

karma

Member
Joined 2003
http://www.netaxs.com/~vkalia/5687.html

i needed to get rid of my last 5687 tubes i just pawned em off on my friend. hell he likes it he uses the pc to change the volume so
i didnt need to put on a volume. and i made my own power supply
to fit. the plate voltage came out to 200v;)
 

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