Matched pair 6J1P-EV (NOS)
Tubes are fully tested on L3-3 precise tube tester & matched in pairs. Tubes were originally designed for mil. applications. OTK stamp. Produced in Voskhod - Kaluga. Year of manufacture - 1975. Long life -E, high reliability -B, tubes. Gold - platinum grid. Pure cooper leads to the pins. Not less than 5000 operating hours. Upgrade for your Little Dot, Little Bear and other amps.
(we reserve the right to change the description and specifications without prior notice)