• 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.

No grid connection

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Gabevee said:


And what is wrong with DC NFB and voltage regulated fixed bias? Depending solely on component (tube or transistor)characteristics, quality of capacitors and resistors would be bad engineering... IMHO.

NFB and fixed bias should make an amp more stable, and the output more true to the input... again IMHO.


To quote the greatest movie ever made ("Brazil"): "My complications have complications."
 
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