ECC83S DOUBLE TRIODE
ECC83 - 12AX7, 7025 8 ECC83 S R. F. DOUBLE TRIODE Base: NOVAL Dimension and connections: Uf = 6,3/12,6 V If = ca.300/150 mA Typical characteristic: Ua = 250 V Ug = -2 V Ia = 1,2 mA S = 1,6 mA/V Ri = 62,5 kΩ µ = 100 Limiting values: Ua = 300 V Wa = 1 W Ik = 8 mA Ug = -50 V Rg = 2,2 MΩ Uk/f = 180 V Rk/f = 150 kΩ Capacitances: system I. system II. cg/k = 1,6 1,6 pF ca = 0,33 0,33 pF cg/a = 1,7 1,7 pF Operating characteris- tics: Resistance - coupled amplifer cathode grid bias Ub = Ra = Rg .
