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1 X 5963 TUBE. NEW OLD STOCK.
BRAND: GENERAL ELECTRIC. 1960s PRODUCTION.
GREY PLATES, HALO GETTER.
TESTED IN AMPLITREX AT1000 TUBE TESTER:
90/100% EMISSION (EM) 100/109% TRANSCONDUCTANCE (GM) 0.2/0.3mA GAS
