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2 X 6922 TUBE. USED.
BRAND: AMPEREX
GREY PLATES, HALO GETTER, GOLD PIN, PQ: PREMIUM QUALITY, MATCHED PAIR.
TESTED IN AMPLITREX AT1000 TUBE TESTER:
72/85% EMISSION (EM) 80/84% TRANSCONDUCTANCE (GM) 0.4/0.2mA GAS
69/72% EMISSION (EM) 78/80% TRANSCONDUCTANCE (GM) 0.2/0.2mA GAS