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1 X EL38 / CV450 TUBE. NEW OLD STOCK.
BRAND: MULLARD. 1960s PRODUCTION.
GREY PLATES, DUAL INVERTED CUP GETTER, COPPER RODS.
TESTED IN ROEHRENTEST TUBE TESTER:
107% 97.55mA EMISSION (EM) 13.63mA/V TRANSCONDUCTANCE (GM)