Full replacement set of USSR tubes for Little Dot amp. 2 X 6N6P (6H6П) power double triode tubes made in Nevz, Novosibirsk in 1982. High quality tubes with gold plated grid. Direct replacement for chinese 6N6 tubes. 2 x 6J1P-EV (6Ж1П-EB) pentode tubes. High durable and long life (more than 5000 operating hours) tubes with gold-platinum grid. Made in Voskhod, Kaluga in 1977. Direct replacement for chinese 6J1 tubes. All tubes are measured on the russian L3-3 tester. New old stock.