- Base
- Refer to variations
- Socket code
- B9A
- Electrical Summary
Heater 6.3 V / 300 mA Plate S1: 300 V / 0.2 W - Sections
- 2
9 pins - B9A - Small-button Noval 9-contact
Electron-ray visual indicator for receiver tuning or electrical level indication, using a fluorescent display whose pattern changes with control voltage.
