Russian electron tube 6P15P broadband power amplification output pentode. High reliability, life non less 3000 hours! Manufacturer: OPZEP. Near equivalent: EL83, SV83, EL803S, 6P1T. NOS
Electron tube 6J1P-EV - HF pentode with a short anode-grid characteristic of increased durability, reliability and mechanical strength. Equivalent to tubes: 6AK5, EF95, EF95F, EF905, 6F32. Manufacturer: VOSKHOD (Kaluga) / NOS.
Russian tube 6J11P-E (6Zh11P-E) HF pentode with a short anode-grid characteristic of increased durability, reliability and mechanical strength. Low-noise driver for wideband amps. Equivalent to tubes E180F, 6688, E280F. Manufacturer: REFLECTOR (Saratov) / NOS