• 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.

Tamura F series

I don't understand the FEATURES explanation.

Is it CFB? I see only one NF and K connection.. for a PP transformer.

And only one G (grid #1?)
 

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