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1 X EF86 TUBE. NEW OLD STOCK.
BRAND: MULLARD. 1950s PRODUCTION. B8L.
MESH PLATE, RECTANGULAR GETTER.
EVEN THOUGH THE TEST ARE LOW, THE APPAERANCE OF THE TUBE IS NEW.
TESTED IN AMPLITREX AT1000 TUBE TESTER:
73% EMISSION (EM) 72% TRANSCONDUCTANCE (GM) 0.0mA/V GAS
CH165U1