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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)
