- Base
- 9DC
- Socket code
- B9A
- Sections
- 2
- Heater
- 6 V / 450 mA
- Plate
- S1: 250 V / 1.2 W · S2: 250 V / 1.4 W
- Screen
- S1: 250 V / 0.2 W
- Ik max
- S1: 15 mA · S2: 10 mA
- rP
- S1: 400,000 Ω · S2: 20,000 Ω
- gm
- S1: 5.5 mA/V · S2: 3.5 mA/V
- μ
- S1: 70 · S2: 70
9 pins - B9A - Small-button Noval 9-contact
Triode-pentode combination designed for television horizontal oscillator and frequency-control service, performing line time-base timing rather than high-power sweep output.
