• 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.

YAQIN VK-2100 tubes replacement

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The English translation of the Cyrillic 6Н1П is usually given as 6NP1. Н is equivalent to EN and П is equivalent to PE.

This exhibit is a Russian military specification low frequency double triode. It has an electrostatic screen connected to pin 9 and the heaters of each triode are internally connected in parallel. The anode dissipation is 2.2 Watts.

From Wikipedia: No direct western equivalent exists but the 6BQ7A is sensibly equivalent and the 6DJ8 has similar ratings.
 
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