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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 = Rk = Ia =
250 400 250 400 250 400 V 47 47 100 100 220 220 kΩ
150 150 330 330 680 680 kΩ 1,2 0,68 1,5 0,82 2,7 1,2 kΩ 1,18 2,45 0,86 1,72 0,48 1,02 mA
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