• 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.

Need Help for Improving HEATHKIT AA 151

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MyKPJ

MyKPJ

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Joined 2010
#1
I want to change the cathode resistor to IC or Tr as CCS. I need more suggestion. Can I do the below circuit.
 

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