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1 X 13DE7 HALTRON TUBE. NEW OLD STOCK.
BRAND: HALTRON
GREY PLATES, HALO GETTER, COPPER RODS.
TESTED IN HICKOK 539C TUBE TESTER:
TRIODE 1: MINIMUM GOOD EMISSION = 60% = 1260uHMOS
3600 uHMOS EMISSION (EM)
TRIODE 2: MINIMUM GOOD EMISSION = 60% = 3800uHMOS
7250 uHMOS EMISSION (EM)
