• 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.

6SN7 Equivelents

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I tried it with an ECC33.
I just made an adapter and tried it in a single triode phase splitter and voltage amplifier.
It made no difference to the sound or evenness of clipping when driven over full power.
Being over the other side of the ocean the trial tube was a 6/30L2 however an ECC83 could be tried.
The vintage amplifier can be restored to original in seconds with an adapter.
 

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