- Base
- 9BF
- Socket code
- B9A
- Electrical Summary
Heater 12.6 V / 300 mA Plate 300 V / 6.25 W Screen 175 V / 1 W rP 85,000 Ω gm 13 mA/V - Sections
- 1
9 pins - B9A - Small-button Noval 9-contact
Sharp-cutoff pentode designed as a television video amplifier. Part of the 12BY7A/12BV7/12DQ7 replacement family, it is fundamentally a high-transconductance wideband signal tube rather than an audio power-output pentode.
