6P6S
The output beam tetrode.
Designed to amplify low frequency power.
Durability of at least 500 hours
Weight is not more than 38 g.

Technical characteristics and electrical parameters of the 6P6S lamp:
Filament voltage 6.3 ± 0.6 V
Filament current 450 ± 40 mA
Anode voltage rated (constant) 250 V
Anode voltage limit (constant) 350 V
Anode current 45 ± 12 mA
The grid voltage of the first (constant) -12.5 V
The reverse current of the grid of the first no more than 2 μA
Grid voltage the second rated (constant) 250 V
The grid voltage is the second limit (constant) 310 V
Second grid current not more than 7.5 mA
Power dissipated by the anode, ultimate 13.2 W
The power dissipated by the second grid, the maximum 2.2 W
Voltage between cathode and heater limit (constant) 100 V
Slope 4.1 ± 1.1 mA / V
Internal resistance 52 kOhm
Output power not less than 3.6 W
Total Harmonic Distortion 8%
Input Capacitance 9.5 ± 1.6 pF
Output Capacitance 6.5 ± 2.7 pF
Passing capacity no more than 0.9 pF
Glass decoration with octal base