- Base
- 8E
- Socket code
- Refer to variations
- Sections
- 3
- Heater
- 12.6 V / 150 mA
- Plate
- S1: 300 V
- Screen
- S1: 125 V
- rP
- S1: 600,000 Ω
- gm
- S1: 1.325 mA/V
8 pins
Double-diode pentode combining detector and control-voltage rectification with a separate voltage-amplifier pentode. High plate resistance and low feedback capacitance support stable receiver signal amplification.