- Base
- NOVAL
- Socket code
- B9A
- Sections
- 2
- Heater
- 8 V / 450 mA
- Plate
- S1: 330 V / 1 W · S2: 330 V / 5 W
- Screen
- S2: 330 V / 1.1 W
- rP
- S1: 37,000 Ω · S2: 60,000 Ω
- gm
- S1: 2.7 mA/V · S2: 11.5 mA/V
- μ
- S1: 100
9 pins - B9A - Small-button Noval 9-contact
Triode/pentode television signal-processing tube for sync, sound-IF, phase-inverter, and video-amplifier service.
