Tuning IndicatorTuningIndicatorDirectly heatedSeries-parallel
- Base
- Refer to variations
- Socket code
- Refer to variations
- Sections
- 1
- Heater
- 1.4 V / 25 mA
- Plate
- 300 V / 0.045 W
- Ik max
- 0.3 mA
8 pins
Electron-ray visual indicator for receiver tuning or electrical level indication, using a fluorescent display whose pattern changes with control voltage.
