Electronic tube and vacuum tube catalog

Base

Refer to variations

Socket code

Refer to variations

Sections

1

Heater

6.3 V / 150 mA

Plate

300 V / 1.2 W

Screen

100 V / 0.15 W

rP

500,000 Ω

gm

1.8 mA/V

8 pins

Pentode documented with nominal and typical operating conditions and associated with the 7AB7 family. Available source material supports conventional sharp-cutoff signal amplification without a stronger specialized functional identity.

Base

8BO

Socket code

B8G

Sections

1

Heater

7 V / 160 mA

Plate

300 V / 1.2 W

Screen

100 V / 0.15 W

rP

500,000 Ω

gm

1.8 mA/V

8 pins - B8G - Loctal 8-contact

Pentode documented with manufacturer and handbook Class A operating characteristics. The available source establishes conventional signal-amplifier operation but does not provide sufficiently explicit application or cutoff terminology for narrower classification.