Rated electrical data (for each triode)
Heating voltage, V 6.3
Anode voltage, V 250
Resistance in the cathode circuit for automatic bias, Ohm 600
Heating current, mA 600±50
Current in the anode circuit, mA 8±2.4
The steepness of the characteristic, mA / V 3.2
The steepness of the characteristic at a heating voltage of 5.7 V, not less than, mA/V 2.7
Internal resistance, kOhm 11
Gain 35±7