• 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.

Single 6N6P stereo pre-amp

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Regarding the first schematic: C1 bridges both cathodes and
unifies otherwise separate cathode resistors into a single tail.
You have a differential amplifier, not behaving as independent
channels.

Electrons flow from - to +. But ions and carriers can go either
direction, depending what sign of charge they might hold.

Whats weird: in P Bismuth Telluride, the flow of holes from
+ to - actually carries heat in that direction. And as far as I
know a hole is a bubble or absence of an electron in a semi-
conductor. How does the absence of something carry heat?
 
Preamplifier with Tube 6n6p

Hello!
Here is a complete schematic for the preamplifier with Tube/Valve 6n6p.
Enjoy!
Cheers
 

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