- Base
- 9HX
- Socket code
- B9A
- Electrical Summary
Heater 10.2 V / 450 mA Plate S1: 300 V / 1 WS2: 300 V / 4 W Screen S2: 300 V / 1.7 W Ik max S2: 40 mA rP S1: 16,250 ΩS2: 100,000 Ω gm S1: 4 mA/VS2: 11 mA/V μ S1: 65S2: 65 - Sections
- 2
9 pins - B9A - Small-button Noval 9-contact
Television triode-pentode: the triode serves sync-separator, sync-amplifier, keyed-AGC, or noise-suppressor functions while the pentode handles signal amplification.
