- Base
- 9DX
- Socket code
- B9A
- Electrical Summary
Heater 10.2 V / 450 mA Plate S1: 330 VS2: 330 V / 4 W Screen S2: 330 V / 1.1 W rP S1: 37,000 ΩS2: 50,000 Ω gm S1: 2.7 mA/VS2: 20 mA/V μ S1: 100S2: 100 - Sections
- 2
9 pins - B9A - Small-button Noval 9-contact
Frame-grid television triode-pentode combining voltage-amplifier or sync-separator triode service with video-amplifier pentode operation.
