• 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.

Audio Note P2SE problem

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Dear77

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Joined 2009
#1
I have a problem with fast ageing of one 6l6 valve (its the upper right one). I have changed the valves a few times, plus signal caps 0,22uf 450v and 3x rubicon 22uf400v between the 6sl7 valves and the problem is still there. my friend told me to measure these big green resistors between the power valves and they look fine. I am wondering what else could be causing the problem.
Id be very grateful for your help.

Darek
 

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