Electronic tube and vacuum tube catalog

Base

—

Socket code

—

Sections

1

Heater

11.6 V / 450 mA

Plate

150 V / 5.2 W

Screen

130 V / 1.1 W

rP

13,000 Ω

gm

5.8 mA/V

Base

7BZ

Socket code

—

Sections

1

Heater

11.2 V / 450 mA

Plate

275 V / 9 W

Screen

275 V / 2.2 W

rP

28,000 Ω

gm

5.8 mA/V

7 pins

Miniature beam-power output tube intended for Class-A audio-frequency output stages in television and radio receivers, delivering several watts from a compact receiving-tube envelope.

Base

Refer to variations

Socket code

Refer to variations

Sections

1

Heater

2.8 V / 110 mA

Plate

180 V / 4.5 W

Screen

135 V / 0.9 W

Ik max

30 mA

8 pins

Special-purpose beam-power tube intended for professional or industrial electronic service, with construction and ratings beyond ordinary consumer receiver output applications.

Base

—

Socket code

IO

Sections

1

Heater

12.6 V / 150 mA

Plate

250 V / 7.5 W

Screen

250 V / 1.5 W

rP

70,000 Ω

gm

3 mA/V

7 pins - IO - International Octal

Beam-power output tube designed for audio-frequency power amplification in receiving equipment, providing Class-A output service from a 12.6 V heater supply.

Base

—

Socket code

IO

Sections

1

Heater

12.6 V / 150 mA

Plate

250 V / 7.5 W

Screen

250 V / 1.5 W

gm

3 mA/V

7 pins - IO - International Octal

Glass tubular beam-power output tube for Class-A audio-frequency amplification in radio and related receiving equipment, using a 12.6 V heater.

Base

7CV

Socket code

B7G

Sections

1

Heater

12.6 V / 400 mA

Plate

150 V / 5.5 W

Screen

150 V / 1 W

rP

40,000 Ω

gm

4.6 mA/V

7 pins - B7G - Miniature 7-contact

Miniature beam-power output tube intended for Class-A audio-frequency power amplification in television and radio receivers, optimized for relatively low supply voltages.

Base

9BQ

Socket code

B9A

Sections

1

Heater

12.6 V / 600 mA

Plate

250 V / 9 W

Screen

250 V / 2.5 W

rP

100,000 Ω

gm

8.5 mA/V

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

Miniature beam-power output tube for television and radio audio stages, designed to provide useful Class-A power from relatively low-voltage receiver supplies.

Base

7CV

Socket code

B7G

Sections

1

Heater

12.6 V / 600 mA

Plate

150 V / 7 W

Screen

130 V / 1.4 W

rP

10,000 Ω

gm

7.5 mA/V

7 pins - B7G - Miniature 7-contact

Beam-power output tube intended for audio-frequency power amplification in receiving equipment, with a 12.6 V heater suited to series-string operation.

Base

7CV

Socket code

B7G

Sections

1

Heater

12.6 V / 600 mA

Plate

130 V / 5 W

Screen

130 V / 1.4 W

rP

15,000 Ω

gm

9.2 mA/V

7 pins - B7G - Miniature 7-contact

Miniature beam-power output tube designed for audio-frequency power stages in radio and television receivers, combining compact size with useful Class-A output capability.

Base

—

Socket code

B7G

Sections

1

Heater

12.6 V / 150 mA

Plate

330 V / 2 W

Screen

330 V / 1.5 W

rP

300,000 Ω

gm

6 mA/V

7 pins - B7G - Miniature 7-contact

Miniature beam-power pentode designed specifically for audio-output amplifier service, providing a compact power stage for low-voltage consumer equipment.

Base

6AA

Socket code

IO

Sections

1

Heater

12.6 V / 150 mA

Plate

300 V / 7.5 W

Screen

250 V

rP

70,000 Ω

gm

3 mA/V

8 pins - IO - International Octal

Lock-in beam-power amplifier designed for receiver output-stage service, providing a compact power tube for audio-frequency amplification.

Base

7AC

Socket code

B9A

Sections

1

Heater

12.6 V / 600 mA

Plate

117 V / 5.5 W

Screen

117 V / 1.25 W

rP

13,000 Ω

gm

9 mA/V

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

Low-voltage beam-power output tube related to the 25L6 family, documented for Class-A1 audio service with approximately 2.1 watts output.

Base

7CV

Socket code

B7G

Sections

1

Heater

16.8 V / 450 mA

Plate

135 V / 5.5 W

Screen

117 V / 1.25 W

rP

10,000 Ω

gm

7.5 mA/V

7 pins - B7G - Miniature 7-contact

Miniature beam-power tube designed for the audio-output stage of television receivers, providing roughly two watts of Class-A output depending on operating conditions.

Base

—

Socket code

—

Sections

1

Heater

16.8 V / 540 mA

Plate

130 V / 5 W

gm

9.2 mA/V

Miniature beam-power pentode designed to operate from relatively low plate and screen-grid voltages, suitable for compact power-output applications.

Base

7CV

Socket code

B7G

Sections

1

Heater

16.8 V / 450 mA

Plate

135 V / 6 W

Screen

117 V / 1.25 W

rP

10,000 Ω

gm

7.5 mA/V

7 pins - B7G - Miniature 7-contact

Miniature beam-power tube used in television-receiver audio-output stages, electrically related to the 6CU5 apart from heater characteristics.

Base

—

Socket code

B9E

Sections

1

Heater

18.5 V / 300 mA

Plate

350 V / 9 W

Screen

160 V / 2.5 W

Ik max

90 mA

rP

27,000 Ω

gm

4.8 mA/V

B9E - Novar 9-contact

Beam-power output tube with a 9-watt maximum plate-dissipation rating; the available manufacturer documentation provides electrical data but little explicit application description.

Base

9BQ

Socket code

B9A

Sections

1

Heater

25 V / 300 mA

Plate

250 V / 9 W

Screen

250 V / 2.5 W

rP

100,000 Ω

gm

8.5 mA/V

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

Beam-power tube documented for power-amplifier service with approximately 3.5 watts Class-A output; the family is also rated for television deflection applications.

Base

7CV

Socket code

B7G

Sections

1

Heater

25 V / 300 mA

Plate

135 V / 5.5 W

Screen

117 V / 1.25 W

rP

10,000 Ω

gm

7.5 mA/V

7 pins - B7G - Miniature 7-contact

Beam-power tube designed for the audio-output stage of compact AC/DC radio receivers, delivering roughly two to 2.5 watts in Class-A service.

Base

7CV

Socket code

—

Sections

1

Heater

25 V / 300 mA

Plate

130 V / 7 W

Screen

130 V / 1.4 W

rP

15,000 Ω

gm

9.2 mA/V

7 pins

Miniature beam-power pentode designed primarily for audio-frequency output stages in television and radio receivers, offering high power sensitivity at low plate and screen voltages.

Base

7CV

Socket code

B7G

Sections

1

Heater

25 V / 300 mA

Plate

150 V / 5.5 W

Screen

130 V / 1.75 W

rP

11,000 Ω

gm

14.6 mA/V

7 pins - B7G - Miniature 7-contact

Beam-power pentode used in television-receiver audio-output stages, providing compact power amplification with heater characteristics suited to series-string equipment.

Base

—

Socket code

—

Sections

1

Heater

25 V / 150 mA

Plate

135 V / 4.5 W

gm

5.8 mA/V

Beam-power pentode designed for operation from low screen-voltage supplies, intended for compact power-amplifier applications where available supply voltage is limited.

Base

—

Socket code

B9A

Sections

1

Heater

25 V / 150 mA

Plate

150 V / 5.5 W

Screen

130 V / 1.1 W

rP

13,000 Ω

gm

6.4 mA/V

B9A - Small-button Noval 9-contact

Beam-power tube whose supplied datasheet documents heater, ratings, characteristics, and operating data through an explicitly referenced 6-volt parent type.

Base

—

Socket code

B7G

Sections

1

Heater

1.2 V / 120 mA

Plate

100 V / 1.1 W

Screen

100 V

Ik max

15.5 mA

gm

1.7 mA/V

7 pins - B7G - Miniature 7-contact

Directly heated Russian beam-output tube for low-frequency power amplification in battery equipment, delivering modest audio output from economical low-voltage supplies.

Base

—

Socket code

B7G

Sections

1

Heater

1.2 V / 120 mA

Plate

90 V / 0.4 W

Screen

90 V

Ik max

7 mA

gm

1.1 mA/V

7 pins - B7G - Miniature 7-contact

Very-low-power directly heated Russian beam-output tube for battery equipment, producing roughly 75–190 mW from 60–90 V supplies for portable audio-output stages.

Base

—

Socket code

—

Sections

1

Heater

2 V / 1 A

Directly heated low-power beam tetrode for HF oscillator and amplifier service.

Base

—

Socket code

IO

Sections

1

Heater

30 V / 300 mA

Plate

250 V / 7 W

Screen

110 V / 1.5 W

gm

10 mA/V

8 pins - IO - International Octal

Russian beam-power output tube for low-frequency power amplification, combining about 10 mS transconductance with substantial current at relatively modest supply voltage.

Base

7-pin miniature

Socket code

B9A

Sections

1

Heater

32 V / 100 mA

Plate

150 V / 4.4 W

Screen

130 V / 1.2 W

rP

21,500 Ω

gm

4.4 mA/V

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

Beam-power pentode designed for AC/DC radio-receiver audio output, using a 32 V, 100 mA series-string heater and low-voltage Class-A operation.

Base

7-pin miniature

Socket code

B9A

Sections

1

Heater

32 V / 100 mA

Plate

150 V / 4.4 W

Screen

130 V / 1.2 W

rP

21,500 Ω

gm

5.5 mA/V

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

Beam-power audio-output tube for AC/DC receivers, closely related to 32ET5 and optimized for useful loudspeaker power from low-voltage series-string equipment.

Base

7-pin miniature

Socket code

B7G

Sections

1

Heater

34 V / 100 mA

Plate

150 V / 5.5 W

Screen

130 V / 1.1 W

rP

13,000 Ω

gm

5.7 mA/V

7 pins - B7G - Miniature 7-contact

Beam-power output tube for low-voltage audio-frequency amplification in consumer receivers, providing Class-A loudspeaker-driving power from a series-string heater supply.

Base

7-pin miniature

Socket code

B7G

Sections

1

Heater

34 V / 100 mA

Plate

150 V / 5 W

Screen

130 V / 1.1 W

rP

23,000 Ω

gm

5.7 mA/V

7 pins - B7G - Miniature 7-contact

Improved beam-power audio-output tube for low-voltage receiver service, intended for Class-A power amplification in series-heater consumer equipment.

Base

6AA

Socket code

LOCTAL8

Sections

1

Heater

35 V / 150 mA

Plate

200 V / 8.5 W

Screen

200 V / 1 W

rP

34,000 Ω

gm

5.5 mA/V

8 pins - LOCTAL8 - Loctal 8-contact base

Beam-power audio-output tube for AC/DC receiving equipment, designed for Class-A loudspeaker power from a 35 V series-string heater.

Base

7BZ

Socket code

B8A

Sections

1

Heater

35 V / 150 mA

Plate

200 V / 8.5 W

Screen

117 V / 1 W

rP

34,000 Ω

gm

6 mA/V

8 pins - B8A - Rimlock 8-contact

Beam-power output tube designed for audio-frequency power stages in AC/DC radio and television receivers using series-connected heaters.

Base

7CV

Socket code

B7G

Sections

1

Heater

35 V / 150 mA

Plate

135 V / 4.5 W

Screen

117 V / 1 W

Ik max

100 mA

rP

13,000 Ω

gm

5.8 mA/V

7 pins - B7G - Miniature 7-contact

Beam-power audio-output tube widely used in AC/DC receivers, providing Class-A loudspeaker power from low plate voltage and a 35 V series-string heater.

Base

—

Socket code

—

Sections

1

Heater

35 V / 150 mA

Plate

150 V / 5.5 W

Screen

130 V / 2 W

Base

7-pin miniature

Socket code

B9A

Sections

1

Heater

35 V / 150 mA

Plate

150 V / 5.5 W

Screen

130 V / 1.1 W

rP

12,000 Ω

gm

7.5 mA/V

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

Beam pentode designed for audio-frequency power output in series-heater equipment, with a tapped heater connection provided for operation of a panel lamp.

Base

7-AC

Socket code

IO

Sections

1

Heater

35 V / 150 mA

Plate

200 V / 8.5 W

Screen

110 V / 1 W

rP

13,800 Ω

gm

5.9 mA/V

7 pins - IO - International Octal

Beam-power amplifier intended for audio-output stages of AC/DC and universal receivers, providing useful power from comparatively low plate-supply voltages.

Base

7AC

Socket code

IO

Sections

1

Heater

35 V / 150 mA

Plate

200 V / 8.5 W

Screen

125 V / 1 W

Ik max

100 mA

rP

14,000 Ω

gm

5.8 mA/V

7 pins - IO - International Octal

Beam-power output tube for AC/DC receivers using 150 mA heater strings, widely suited to single-ended audio-frequency power stages at modest supply voltage.

Base

—

Socket code

UX4

Sections

1

Heater

20 V / 320 mA

Plate

130 V / 6 W

Screen

130 V / 1.3 W

rP

9,300 Ω

gm

4.8 mA/V

6 pins - UX4 - Medium-shell UX 4-contact

Western Electric heater-cathode beam-power pentode designed for audio-frequency amplification at low plate voltages, particularly circuits operating from plate supplies as low as 48 volts.

Base

6BA

Socket code

B8G

Sections

1

Heater

2.8 V / 110 mA

Plate

180 V / 4.5 W

Screen

135 V / 0.9 W

Ik max

30 mA

rP

150,000 Ω

gm

2.4 mA/V

8 pins - B8G - Loctal 8-contact

Directly heated beam-power amplifier designed for Class-A audio-output service in low-voltage battery-operated equipment.

Base

—

Socket code

—

Sections

1

Heater

3.1 V / 450 mA

Plate

300 V / 3 W

Screen

150 V / 0.15 W

Ik max

20 mA

rP

165,000 Ω

gm

15.5 mA/V

Base

6AA

Socket code

IO

Sections

1

Heater

50 V / 150 mA

Plate

117 V / 7 W

Screen

117 V / 1.4 W

rP

28,000 Ω

gm

8 mA/V

6 pins - IO - International Octal

50-volt-heater beam tetrode designed for receiver audio-output service, with published output around 4 watts from a compact power stage.

Base

7BZ

Socket code

B7G

Sections

1

Heater

50 V / 150 mA

Plate

150 V / 5 W

Screen

117 V / 1 W

rP

14,000 Ω

gm

7.5 mA/V

7 pins - B7G - Miniature 7-contact

Series-heater power tetrode designed for low-frequency audio-output amplification in transformerless radio and consumer receiver equipment.

Base

7CV

Socket code

B7G

Sections

1

Heater

50 V / 150 mA

Plate

135 V / 5.5 W

Screen

117 V / 1.25 W

rP

10,000 Ω

gm

7.5 mA/V

7 pins - B7G - Miniature 7-contact

Miniature beam-power tube designed for the audio-output stage of compact AC/DC radio receivers, optimized for useful power from low supply voltage.

Base

7CV

Socket code

B7G

Sections

1

Heater

50 V / 150 mA

Plate

130 V / 5 W

Screen

130 V / 1.4 W

rP

15,000 Ω

gm

9.2 mA/V

7 pins - B7G - Miniature 7-contact

Beam-power pentode designed primarily for audio-frequency output stages of television and radio receivers operating at low plate and screen voltages.

Base

5640

Socket code

SUBMINIATURE6

Sections

1

Heater

6.3 V / 450 mA

Plate

150 V / 3.5 W

Screen

140 V / 1 W

rP

15,000 Ω

gm

5 mA/V

6 pins - SUBMINIATURE6 - Subminiature 6-lead base

Subminiature beam-power output amplifier providing a compact power stage for electronic equipment where space and weight are restricted.

Base

—

Socket code

—

Sections

1

Heater

12.6 V / 150 mA

Plate

250 V / 7.5 W

Screen

250 V / 1.5 W

rP

70,000 Ω

gm

3 mA/V

7 pins

Beam-power amplifier pentode related to the 12A6, designed for reliable operation under severe vibration and intermittent duty while providing Class-A power output.

Base

9G

Socket code

B9A

Sections

1

Heater

6.3 V / 350 mA

Plate

275 V / 8.25 W

Screen

275 V / 3.3 W

Ik max

44 mA

rP

45,000 Ω

gm

3.1 mA/V

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

Rugged miniature beam-power amplifier designed for mobile and aircraft equipment, supporting Class-A audio output and Class-C RF service through VHF.

Base

6CL

Socket code

—

Sections

1

Heater

2.5 V / 55 mA

Plate

180 V / 1.5 W

Screen

135 V

Ik max

12 mA

rP

175,000 Ω

gm

1.6 mA/V

6 pins

Beam-power tube documented by National Union and GE literature; available source material establishes its power construction but does not clearly support a narrower specialized application.

Base

8DL

Socket code

B7G

Sections

1

Heater

6.3 V / 450 mA

Plate

165 V / 4.1 W

Screen

155 V / 0.4 W

Ik max

50 mA

rP

150,000 Ω

gm

4.2 mA/V

μ

6

8 pins - B7G - Miniature 7-contact

Subminiature beam pentode designed for audio power amplification where compact construction and resistance to severe shock and vibration are important.

Base

9DE

Socket code

B7G

Sections

1

Heater

6.3 V / 450 mA

Plate

250 V / 3.7 W

Screen

155 V / 0.4 W

Ik max

50 mA

rP

15,000 Ω

gm

4.2 mA/V

8 pins - B7G - Miniature 7-contact

Special-quality subminiature beam pentode for rugged audio power-amplifier service, with military-style shock, vibration, and altitude ratings.