- Base
- —
- Socket code
- B9A
- Sections
- 1
- Heater
- 12.6 V / 300 mA
- Plate
- 250 V / 6 W
- Screen
- 250 V / 1.8 W
- Ik max
- 50 mA
- gm
- 8.3 mA/V
- μ
- 13
9 pins - B9A - Small-button Noval 9-contact
Output tetrode designed for audio amplifiers and television field-output stages. Its power capability supports either low-frequency load drive or vertical-deflection service.