Description
1 X ECL80 MULLARD TUBE. NEW OLD STOCK. BRAND: MULLARD. SIEMENS UND HALSKE PRODUCTION. GREY PLATES, HALO GETTER, 3 MICA, MATCHED PAIR. TESTED IN FUNKE W20 TUBE TESTER: -TRIODE: MINIMUM GOOD EMISSION = 60% = 4.8mA 7.2 mA EMISSION (EM) -PENTODE: MINIMUM GOOD EMISSION = 60% = 14mA 21.5 mA EMISSION (EM)