Russian electron tube 6J9P-E (6Zh9P-E) is an HF pentode with a steep characteristic, used in the input stages of broadband amplifiers. Equivalent to E180F, 6688
Low-frequency output tetrode 6P1P-EV tube. Great sounding! Near equivalent: EL82, and similar to the 6AQ5, EL90, 6V6. Different pin out (9-pin base versus 7-pin base) than an 6AQ5 / EL90
Soviet electron tube 6N6P double triode with gold grid. High current, low distortion driver for SE & headphone amps. Replacement: ECC99, E182CC, 6N6 (China). NEVZ (Novosibirsk) NOS
The rare Soviet 6N2P-ER electron tube is a high-quality, low-microphonic dual triode replacement for the 12AX7 and ECC83 tubes, but with a different filament voltage (6.3V vs 12.6V). Manufacturer: VOSKHOD. NOS
Rare tube 6N6P FOTON factory, high-quality double triode. Low frequency power amplification. Gold grid. Equivalent to tubes ECC99, E182CC. The manufacturer FOTON produced tubes in the 60`s. NOS.
Russian electron tube 6N2P - double triode. Highly durable, low-microphonics. Close by characteristics to the 12AX7, ECC83. Manufacturer: Voskhod (Rocket). NOS