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2 X 12AT7WA-H RADIOTECHNIQUE TUBE. NEW OLD STOCK.
BRAND: RADIOTECHNIQUE. 1960s PRODUCTION.
GREY PLATES, HALO GETTER, COPPPER RODS, MATCHED PAIR.
TESTED IN AMPLITREX AT1000 TUBE TESTER:
80/98% EMISSION (EM) 94/105% TRANSCONDUCTANCE (GM) 0.4/0.4 mA GAS
76/92% EMISSION (EM) 80/94% TRANSCONDUCTANCE (GM) 0.0/0.6 mA GAS