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