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1 X CV455 / ECC81 TUBE. NEW OLD STOCK.
BRAND: BRIMAR. 1960s PRODUCTION
GREY PLATES, SQUARE GETTER, COPPER RODS
TESTED IN ROEHRENTEST TUBE TESTER 87/93% 8.7/9.33mA EMISSION (EM) 4.93/5.06mA/V TRANSCONDUCTANCE (GM)