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2 X 6922 TUBE. NEW OLD STOCK.
BRAND: SYLVANIA. 1980s PRODUCTION.
GREY PLATES, HALO GETTER, PAIR.
TESTED IN AMPLITREX AT1000 TUBE TESTER:
112/93% EMISSION (EM) 103/95% TRANSCONDUCTANCE (GM) 0.2/0.3mA GAS
102/124% EMISSION (EM) 101/89% TRANSCONDUCTANCE (GM) 0.4/0.4mA GAS