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1 X 12AX7 TUBE. USED.
BRAND: GENERAL ELECTRIC. 1950s PRODUCTION.
17MM GREY PLATES, D-GETTER, COPPER RODS.
THE MEASUREMENTS ON THIS TUBE ARE LOW. THEY ARE OVER THE MINIMUM GOOD EMISSION, WHICH IS 60% OR ABOVE.
TESTED IN AMPLITREX AT1000 TUBE TESTER:
66/66% EMISSION (EM) 87/87% TRANSCONDUCTANCE (GM) 0.2/0.1mA/V GAS
