Technical characteristics and electrical parameters:
• Heater voltage 6.3 ± 0.6 V
• Filament current 600 ± 50mA
• Nominal anode voltage 250 V
• Anode voltage limit 330 V
• Nominal grid voltage -8 V
• Anode current 9 ± 3.5 mA
• The highest power dissipated at the anode of the triode 2.75 W
• Highest DC voltage between cathode and heater 100 V
• The highest leakage current between the cathode and the heater 20 μA
• Slope of characteristic 2.6 ± 0.53 mA / V
• Internal resistance 7700 Ohm
• Gain 20.5 ± 2.5
• Highest cathode current 20 mA
• The highest resistance in the circuit of the first grid is 500 kOhm
• Input capacitance of the first triode 2.8 pF
• Input capacitance of the second triode 3 pF
• Output capacitance of the first triode 0.8 pF
• Output capacitance of the second triode 1.2 pF
• Capacitance through the first triode 3.8 pF
• Capacitance through the second triode 4 pF
• Glass decoration