1 x BALANCED PAIR NOS 6Ж8=6SJ7, AMP SELECTED, RUSSIAN TUBES, 1963, OWN BOXES
tested in triode mode, g3 tied to k, g2 tied to p @ amplifier @ Ub=240V, Ra=33K, Rk=0.47K, Rl=100K, Uin=1.0Vrms
Uout: P1/P2=13.4 / 13.4 , P2/P3=13.3 / 13.3 Vrms @ test conds
pentode mode @ Ub=240V, Ra=100K, Rk=0.82K, Rg2=330K, Rl=100K, Uin=0.1Vrms results in approx. 6Vrms output.
Preis für 2 Röhren, price for 2 tubes, Kombiversand, I combine