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1 X E88C / 8255 SINGLE TRIODE SIEMENS TUBE. NEW OLD STOCK.
BRAND: SIEMENS
SILVER PLATES, HALO GETTER, GOLD PIN, 3 MICA.
EACH TUBE FOR SALE HAS A DIFFERENT MEASUREMENT.
TESTED IN AMPLITREX AT1000 TUBE TESTER:
104% EMISSION (EM) 109% TRANSCONDUCTANCE (GM) 0.0mA GAS