Double triode 6N1P-EV 1970, 74 tube. PCS1. Old stock.
TEST: Uh=6,3V, Ua=250V, Ug2=250V, Rk=2X600 Ohm, Ukh=250V.
№1. 1974 Ia1=7,8mA, S1=4,5mA/V, Ia2=7,8mA, S2=4,4mA/V
№2. 1968 Ia1=7,2mA, S1=4mA/V, Ia2=7,4mA, S2=4mA/V
№3. 1979 Ia1=6,2mA, S1=4,3mA/V, Ia2=6,2mA, S2=4,3mA/V
№4. 1973 Ia1=8,2mA, S1=4,5mA/V, Ia2=8,4mA, S2=4,7mA/V
№5. 2002 Ia1=6,8mA, S1=4,5mA/V, Ia2=7mA, S2=4,5mA/V
№10. 2002 Ia1=6,8mA, S1=4mA/V, Ia2=7,2mA, S2=4,5mA/V
№14. 2002 Ia1=7,4mA, S1=4,4mA/V, Ia2=6,8mA, S2=4,4mA/V
Double triode 6N1P is designed to amplify low frequency voltage. It is used in preliminary cascades of low frequency, phase inverters.
1 anode 1
2 grid 1
3 cathode 1
4 heater
5 heater
6 anode 2
7 grid 2
8 cathode 2
9 screen
Main technical characteristics :
(each triode)
Heating voltage 6.3V
Anode voltage 250V
Filament current 600±50mA
Anode current 7.5±1.5mA
Steepness 4.5±1.0mA/V
Gain 35±7
Cathode resistance for automatic bias 600 ohms
Internal resistance 11Kom
Input capacitance 3.8pF
Output capacitance 1.75pF
Capacitance 1.85pF
Capacitance between anodes 0.2pF
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