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2 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:
-TRIODES: MINIMUM GOOD EMISSION = 60% = 4.8mA
7/7 mA EMISSION (EM)
-PENTODES: MINIMUM GOOD EMISSION = 60% = 14mA
23.5/23.5 mA EMISSION (EM)
