• 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.

6n23p (and similar) low output impedance preamp

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Rafy

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Joined 2010
TonyTecson said:
mine used a 120vdc rail, 6.8k plate and cathode resistors, 82 ohm common cathode resistor un bypassed....really liked it...the cathode follower resistor not connected to the common cathode resistor...i made and sold lots of these, even better liked than the aikido...
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do you mean, you not use the positive feedback. do you use 6n23p? or other type. how value capacitor that you parallel with 82R.?
 
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