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.
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.