Electronic tube and vacuum tube catalog

Base

7BA

Socket code

B7G

Sections

1

Heater

2.8 V / 50 mA

Plate

90 V / 1 W

Screen

67.5 V

Ik max

5.5 mA

rP

100,000 Ω

gm

1.575 mA/V

7 pins - B7G - Miniature 7-contact

Directly heated output pentode, co-designated DL92, designed for low-frequency power amplification. Its low-power filament makes it suitable for portable battery receiver output stages.

Base

B7G

Socket code

B7G

Sections

1

Heater

1.4 V / 100 mA

Plate

90 V / 0.7 W

Screen

90 V / 0.15 W

Ik max

12 mA

rP

100,000 Ω

gm

1.57 mA/V

7 pins - B7G - Miniature 7-contact

Directly heated output pentode designed for low-frequency power amplification. Its filamentary construction supports battery-operated receiver audio stages requiring useful output with low heater demand.