"Ei-RC" - Electronic tubes factory ECC83/12AX7 ECC83 is A.F. Double Triode Data Sheet Page 1 of 4 Quick reference data Anode current Ia=1,2mA Transcoductance S=1,6mA/V Amplification ยต=100 Heating Heating is indirect by AC od DC, with serial or parallel supply. Heater voltage Heater current pins Vf 6,3 12,6 (V) If 300 150 (mA) 9-(4+5) 4-5 Telephone: FAX: Postal address: Electronic mail: Web site: +381 18 550 741 +381 18 550 806 Bul. Sv. Cara Konstantina 80-8.