- Base
- 9DX
- Socket code
- B9A
- Electrical Summary
Heater 10.5 V / 450 mA Plate S1: 550 V / 1 WS2: 400 V / 5 W Screen S2: 330 V / 1.1 W rP S1: 327,000 ΩS2: 75,000 Ω gm S1: 2.7 mA/VS2: 12.5 mA/V μ S1: 100 - Sections
- 2
9 pins - B9A - Small-button Noval 9-contact
Television triode-pentode combining sync or voltage-amplifier functions with a sharp-cutoff video-amplifier pentode.
