• 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.

Anyone read Russian?

Could you please help me understand this datasheet. Are the max limits listed? Those curves are given for a Vg2 of 150V, correct?


I've read that this tube is the same as E180F 6688, but the curves provided for those tubes don't quite match up.