Electronic tube and vacuum tube catalog

Base

—

Socket code

—

Sections

2

Heater

11.6 V / 450 mA

Plate

S1: 250 V / 5.1 W · S2: 250 V / 1.5 W

Screen

S1: 250 V / 2.5 W · S2: 250 V / 0.5 W

Ik max

S1: 60 mA · S2: 15 mA

rP

S1: 32,000 Ω · S2: 160,000 Ω

gm

S1: 22 mA/V · S2: 8.5 mA/V

10 pins

Miniature dual-pentode television tube combining a high-current video-output section with a lower-power section for sound IF, AGC, or sync-separator service, integrating multiple television signal functions in one envelope.

Base

—

Socket code

—

Sections

2

Heater

12 V / 300 mA

Plate

S1: 300 V / 12 W · S2: 300 V / 12 W

Screen

S1: 300 V / 1.25 W · S2: 300 V / 1.25 W

Ik max

S1: 40 mA · S2: 40 mA

Twin output pentode, the 12-volt-heater designation of the 6HU8/12HU8 family. Two power-capable pentode sections are combined in one envelope for dual output-stage applications.

Base

8BU

Socket code

—

Sections

2

Heater

12.6 V / 150 mA

Plate

S1: 180 V · S2: 180 V

Screen

S1: 180 V · S2: 180 V

rP

S1: 160,000 Ω · S2: 160,000 Ω

gm

S1: 2.15 mA/V · S2: 2.15 mA/V

8 pins

Special-quality twin-pentode power amplifier related to the 12L8GT family, intended for dependable power-amplifier service.

Base

Refer to variations

Socket code

B12C

Sections

2

Heater

16.8 V / 450 mA

Plate

S1: 330 V · S2: 165 V / 6.45 W

Screen

S1: 110 V · S2: 150 V / 1.8 W

Ik max

S1: 13 mA · S2: 65 mA

rP

S2: 30,000 Ω

gm

S2: 8.6 mA/V

B12C - Duodecar 12-contact

Dual-pentode television sound tube combining gated-beam FM limiter/discriminator service with a separate audio power-output pentode.

Base

—

Socket code

B10B

Sections

2

Heater

16.5 V / 300 mA

Plate

S1: 250 V / 5 W · S2: 250 V / 1.5 W

Screen

S1: 250 V / 2.5 W · S2: 250 V / 0.5 W

Ik max

S1: 60 mA · S2: 15 mA

rP

S1: 40,000 Ω · S2: 160,000 Ω

gm

S1: 21 mA/V · S2: 8.5 mA/V

10 pins - B10B - Decal 10-contact

Dissimilar dual pentode for television receivers, combining a high-transconductance video-output section with a signal pentode for sound IF, AGC, or sync separation.

Base

12E2

Socket code

B12C

Sections

2

Heater

18 V / 315 mA

Plate

S1: 165 V / 6 W · S2: 300 V / 1.7 W

Screen

S1: 150 V / 1.26 W · S2: 1 W

Ik max

S1: 60 mA

rP

S1: 33,000 Ω · S2: 180,000 Ω

gm

S1: 5.6 mA/V · S2: 2.4 mA/V

12 pins - B12C - Duodecar 12-contact

Compactron combining a dual-control FM detector pentode with a separate audio power pentode for television sound output.

Base

E12-70

Socket code

B12C

Sections

2

Heater

6.3 V / 1.05 A

Plate

S1: 300 V / 12 W · S2: 300 V

Screen

S1: 300 V / 2.5 W · S2: 1 W

rP

S1: 100,000 Ω · S2: 110,000 Ω

gm

S1: 6.5 mA/V · S2: 2.5 mA/V

12 pins - B12C - Duodecar 12-contact

Dual-pentode television tube combining a sharp-cutoff FM detector section with a separate audio power-output pentode.

Base

8JP

Socket code

IO

Sections

2

Heater

6.3 V / 1.52 A

Plate

S1: 440 V / 13.2 W · S2: 440 V / 13.2 W

Screen

S1: 300 V / 4 W · S2: 300 V / 4 W

rP

S1: 38,000 Ω · S2: 38,000 Ω

gm

S1: 11.3 mA/V · S2: 11.3 mA/V

8 pins - IO - International Octal

Twin power pentode designed especially for compact stereo systems and high-fidelity audio amplifier output stages. Two power-capable pentode sections share one envelope for space-efficient dual-channel amplification.

Base

Refer to variations

Socket code

B9A

Sections

2

Heater

6.3 V / 550 mA

Plate

S1: 300 V / 6 W · S2: 300 V / 6 W

Screen

S1: 300 V / 1.25 W · S2: 300 V / 1.25 W

Ik max

S1: 40 mA · S2: 40 mA

9 pins - B9A - Small-button Noval 9-contact

Twin output pentode designed for stereo audio, push-pull output, and television oscillator/reactance service. Two pentode sections provide flexible dual-channel or paired output operation in one envelope.

Base

Refer to variations

Socket code

B9A

Sections

2

Heater

6.3 V / 550 mA

Plate

S1: 300 V / 12 W · S2: 300 V / 12 W

Screen

S1: 300 V / 1.25 W · S2: 300 V / 1.25 W

Ik max

S1: 40 mA · S2: 40 mA

rP

S1: 50,000 Ω · S2: 50,000 Ω

gm

S1: 6 mA/V · S2: 6 mA/V

B9A - Small-button Noval 9-contact

Twin audio power pentode containing two matched output sections for stereo, two-channel, or push-pull amplifier circuits. It integrates two independent power-output pentodes in one envelope.

Base

—

Socket code

—

Sections

2

Heater

12 V / 300 mA

Plate

S1: 300 V / 12 W

Screen

S1: 300 V / 1.25 W

Ik max

S1: 40 mA

PLL80/12HU8-family output pentode; available source lacks enough detail for a narrower functional assignment.

Base

—

Socket code

—

Sections

2

Heater

2 V / 450 mA

Plate

S1: 150 V · S2: 150 V

Screen

S1: 150 V · S2: 150 V

gm

S1: 4 mA/V · S2: 4 mA/V

9 pins

Matched double pentode designed for quiescent push-pull battery-receiver output stages, with individually identified sections for balanced audio power operation.

Base

—

Socket code

—

Sections

2

Heater

2 V / 200 mA

Plate

S1: 120 V · S2: 120 V

Screen

S1: 120 V · S2: 120 V

gm

S1: 3 mA/V · S2: 3 mA/V

7 pins

Battery double-pentode output valve for quiescent push-pull audio service, combining two matched power pentode sections in one envelope.