1 x BALANCED PAIR NOS EF184, TRIODE MODE, AMP SELECTED, TUNGSRAM, OWN BOXES
picture shows one pair, other pairs look similar but have their own S/N 's and getter mirrors
tested in triode mode, g3 tied to k, g2 tied to p, Ub=240V, Ra=13K, Rk=0.15K, Rl=500K, Uin=0.3Vrms
Uout: P1=16.7 / 16.8 , P2=16.2 / 16.2, P3=16.0 / 16.0 Vrms @ test conds
Preis für 2 Röhren, price for 2 tubes, Kombiversand, I combine