Electronic tube and vacuum tube catalog

Base

9CV

Socket code

B9A

Sections

1

Heater

10.6 V / 450 mA

Plate

275 V / 12 W

Screen

220 V / 2.1 W

Ik max

110 mA

rP

26,000 Ω

gm

11 mA/V

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

Power pentode designed for vertical-deflection amplifier service in color and black-and-white television receivers. Its output capability is intended to drive the vertical scanning system rather than ordinary small-signal amplification.

Base

9NF

Socket code

B9A

Sections

2

Heater

10.6 V / 500 mA

Plate

S1: 330 V / 1.5 W · S2: 330 V / 10 W

Ik max

S1: 22 mA · S2: 40 mA

rP

S1: 7,700 Ω · S2: 1,100 Ω

gm

S1: 2.6 mA/V · S2: 4.7 mA/V

μ

S1: 20 · S2: 6.3

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

Dissimilar dual triode developed for television vertical deflection, combining a medium-mu oscillator section with a low-mu, high-dissipation output amplifier capable of substantial pulse operation.

Base

9HF

Socket code

B9A

Sections

2

Heater

9.7 V / 600 mA

Plate

S1: 330 V / 1.6 W · S2: 275 V / 7 W

Ik max

S1: 22 mA · S2: 60 mA

rP

S1: 8,750 Ω · S2: 925 Ω

gm

S1: 2 mA/V · S2: 6.5 mA/V

μ

S1: 17.5 · S2: 6

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

Dissimilar dual triode for television vertical deflection, pairing an oscillator triode with a low-resistance power section rated for high positive plate pulses in vertical-output service.

Base

9NF

Socket code

B9A

Sections

2

Heater

9.7 V / 600 mA

Plate

S1: 330 V / 1 W · S2: 275 V / 7 W

Ik max

S1: 20 mA · S2: 50 mA

rP

S1: 40,000 Ω · S2: 925 Ω

gm

S1: 1.6 mA/V · S2: 6.5 mA/V

μ

S1: 68 · S2: 6

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

Dissimilar dual triode for television vertical deflection, combining a high-mu oscillator section with a low-mu, high-current output triode designed for pulsed vertical-amplifier operation.

Base

8BD

Socket code

B9A

Sections

2

Heater

9.7 V / 600 mA

Plate

S1: 330 V / 1.5 W · S2: 330 V / 10 W

Ik max

S1: 22 mA · S2: 40 mA

rP

S1: 8,750 Ω · S2: 800 Ω

gm

S1: 2 mA/V · S2: 7.5 mA/V

μ

S1: 17.5 · S2: 6

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

Dissimilar television vertical-deflection dual triode combining an oscillator section with a low-mu, high-transconductance output amplifier rated for 10 W plate dissipation and high pulse voltage.

Base

8B0

Socket code

IO

Sections

2

Heater

9.7 V / 600 mA

Plate

S1: 330 V / 1.5 W · S2: 330 V / 10 W

Ik max

S1: 77 mA · S2: 175 mA

rP

S1: 40,000 Ω · S2: 1,000 Ω

gm

S1: 1.5 mA/V · S2: 7 mA/V

μ

S1: 60 · S2: 6

8 pins - IO - International Octal

Dissimilar dual triode combining a high-mu voltage-amplifier section with a low-mu 10 W power section, suited to circuits requiring voltage gain followed by substantial current drive.

Base

9NF

Socket code

B9A

Sections

2

Heater

9.7 V / 600 mA

Plate

S1: 220 V / 1.5 W · S2: 330 V / 10 W

Ik max

S1: 22 mA · S2: 40 mA

rP

S1: 8,750 Ω · S2: 800 Ω

gm

S1: 2 mA/V · S2: 7.5 mA/V

μ

S1: 17.4 · S2: 6

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

Dissimilar dual triode for television vertical deflection, combining an oscillator section with a low-mu, high-transconductance 10 W output amplifier designed for high pulse voltages.

Base

Refer to variations

Socket code

Refer to variations

Sections

2

Heater

9.7 V / 600 mA

Plate

S1: 330 V / 1.5 W · S2: 330 V / 10 W

Ik max

S1: 20 mA · S2: 50 mA

rP

S1: 40,000 Ω · S2: 800 Ω

gm

S1: 1.6 mA/V · S2: 7.5 mA/V

μ

S1: 64 · S2: 6

Refer to variations

Base

—

Socket code

B9E

Sections

2

Heater

9.7 V / 600 mA

Plate

S1: 330 V / 2 W · S2: 330 V / 11 W

rP

S1: 40,000 Ω · S2: 1,000 Ω

gm

S1: 2.7 mA/V · S2: 7 mA/V

μ

S1: 46 · S2: 6.4

9 pins - B9E - Novar 9-contact

Dissimilar dual triode specifically intended for television vertical-deflection oscillator and amplifier service, combining a high-gain section with a low-mu, high-dissipation output section.

Base

9EX

Socket code

B9A

Sections

2

Heater

10.7 V / 450 mA

Plate

S1: 250 V · S2: 250 V / 7 W

Screen

S2: 250 V / 1.8 W

Ik max

S2: 50 mA

rP

S2: 20,000 Ω

gm

S1: 2.5 mA/V · S2: 6.4 mA/V

μ

S1: 70

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

Miniature triode-pentode used for television vertical-deflection oscillator/amplifier service and AF voltage/power amplification. It combines a small-signal triode with a power pentode in one envelope.

Base

9NF

Socket code

—

Sections

2

Heater

11 V / 450 mA

Plate

S1: 350 V / 1 W · S2: 350 V / 5.5 W

Ik max

S2: 35 mA

rP

S1: 42,000 Ω · S2: 920 Ω

gm

S1: 1.3 mA/V · S2: 5.4 mA/V

μ

S1: 68 · S2: 5

9 pins

Dissimilar dual triode combining a high-mu voltage section with a low-resistance power triode capable of substantial pulse voltage, characteristic of television vertical-deflection circuitry.

Base

7BZ

Socket code

B7G

Sections

1

Heater

12.6 V / 225 mA

Plate

275 V / 12 W

Screen

275 V / 2 W

Ik max

115 A

rP

52,000 Ω

gm

4.1 mA/V

μ

9.5

7 pins - B7G - Miniature 7-contact

Miniature beam-power tube primarily intended for audio output, with documented Class-A and push-pull power service and additional triode-connected television vertical-deflection use.

Base

9AG

Socket code

B9A

Sections

1

Heater

12.6 V / 300 mA

Plate

550 V / 5.5 W

Ik max

30 mA

rP

1,030 Ω

gm

6.3 mA/V

μ

6.5

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

Low-mu power triode designed primarily for television vertical-deflection output service. It combines 5.5 W plate dissipation with substantial pulse-voltage and peak-current capability suited to the demanding vertical-output stage.

Base

9GR

Socket code

B9A

Sections

1

Heater

12.6 V / 600 mA

Plate

300 V / 10 W

Screen

150 V / 1.25 W

Ik max

55 mA

rP

28,000 Ω

gm

8 mA/V

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

Beam-power tube designed primarily for television vertical-deflection amplification and also suitable for audio power service, with high pulse-voltage capability and substantial current swing.

Base

9CK

Socket code

B9A

Sections

1

Heater

12.6 V / 900 mA

Plate

330 V / 12 W

Screen

220 V / 2.5 W

Ik max

65 mA

V Inverse

6,000 V

rP

15,000 Ω

gm

5.5 mA/V

μ

4.3

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

Beam-power pentode designed primarily as a vertical-deflection amplifier in 110-degree television receivers, with ratings suited to the pulsed demands of sweep-output service.

Base

—

Socket code

B7G

Sections

1

Heater

12.6 V / 150 mA

Plate

300 V / 7 W

Screen

150 V / 1.25 W

Ik max

50 mA

rP

300,000 Ω

gm

6 mA/V

7 pins - B7G - Miniature 7-contact

Beam-power pentode designed as a television vertical-deflection amplifier, with controlled heater warm-up and high positive-pulse plate-voltage capability for sweep-output circuits.

Base

—

Socket code

B9A

Sections

1

Heater

12.6 V / 300 mA

Plate

250 V

Screen

250 V

gm

8.3 mA/V

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

Output pentode intended for Class-A audio power stages or television frame time-base service, combining receiver audio-output and vertical-sweep applications.

Base

9RA

Socket code

B9E

Sections

2

Heater

12.6 V / 600 mA

Plate

S1: 770 V / 17.5 W

Screen

S1: 220 V / 3.5 W

Ik max

S1: 175 mA · S2: 100 mA

Rectifier

S2: 1 mA

rP

S1: 15,000 Ω

gm

S1: 7.5 mA/V

μ

S1: 6.5

9 pins - B9E - Novar 9-contact

Beam-power television deflection tube with an integral diode connected to grid No. 3, intended for feedback-stabilized vertical-output circuits and carrying substantial pulse ratings.

Base

—

Socket code

B7G

Sections

1

Heater

12.6 V / 300 mA

Plate

150 V / 4.5 W

Screen

150 V / 1 W

Ik max

155 mA

rP

13,000 Ω

7 pins - B7G - Miniature 7-contact

Miniature beam pentode designed primarily as a pentode-connected vertical-deflection amplifier in television receivers, featuring high zero-bias plate current at relatively low plate voltage.

Base

7AC

Socket code

IO

Sections

1

Heater

12.6 V / 300 mA

Plate

330 V / 12 W

Screen

165 V / 1.35 W

Ik max

60 mA

rP

28,000 Ω

gm

8 mA/V

μ

6.2

7 pins - IO - International Octal

Beam-power tube designed primarily for audio output and also usable, when triode-connected, as a television vertical-deflection amplifier.

Base

9HF

Socket code

B9A

Sections

2

Heater

13 V / 450 mA

Plate

S1: 330 V / 1.5 W · S2: 275 V / 7 W

Ik max

S1: 22 mA · S2: 50 mA

rP

S1: 8,750 Ω · S2: 925 Ω

gm

S1: 2 mA/V · S2: 6.5 mA/V

μ

S1: 17.5 · S2: 6

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

Dissimilar dual triode for television vertical-deflection oscillator and amplifier service. A higher-mu section supplies oscillator/voltage-gain duty while the low-mu 7 W section provides the high-current vertical-output function.

Base

9HF

Socket code

B9A

Sections

2

Heater

13 V / 450 mA

Plate

S1: 330 V / 1 W · S2: 275 V / 7 W

Ik max

S1: 20 mA · S2: 50 mA

rP

S1: 40,000 Ω · S2: 925 Ω

gm

S1: 1.6 mA/V · S2: 6.5 mA/V

μ

S1: 65 · S2: 6

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

Dissimilar dual triode developed for combined television vertical-deflection oscillator and amplifier service. Its high-mu small-signal section works with a low-mu 7 W output section rated for high pulse voltage and current.

Base

8B0

Socket code

IO

Sections

2

Heater

13 V / 450 mA

Plate

S1: 330 V / 1.5 W · S2: 330 V / 10 W

Ik max

S1: 22 mA · S2: 50 mA

rP

S1: 40,000 Ω · S2: 750 Ω

gm

S1: 1.4 mA/V · S2: 7.2 mA/V

μ

S1: 57 · S2: 5.4

8 pins - IO - International Octal

Dissimilar dual triode for combined television vertical-deflection oscillator and amplifier service. The high-mu oscillator section is paired with a low-mu power section having 10 W plate dissipation and strong pulse-current capability.

Base

9HF

Socket code

B9A

Sections

2

Heater

13 V / 450 mA

Plate

S1: 330 V / 1.5 W · S2: 330 V / 10 W

Ik max

S1: 20 mA · S2: 50 mA

rP

S1: 40,000 Ω · S2: 1,000 Ω

gm

S1: 1.5 mA/V · S2: 7 mA/V

μ

S1: 60 · S2: 6

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

Dissimilar dual triode containing high- and low-mu sections for combined television vertical-deflection oscillator and amplifier service. The power section is rated for 10 W plate dissipation and demanding pulsed output operation.

Base

12EJ

Socket code

B12C

Sections

2

Heater

13 V / 450 mA

Plate

S1: 330 V / 1.5 W · S2: 330 V / 10 W

Ik max

S1: 20 mA · S2: 50 mA

rP

S1: 40,000 Ω · S2: 1,000 Ω

gm

S1: 1.5 mA/V · S2: 7 mA/V

μ

S1: 60 · S2: 6

12 pins - B12C - Duodecar 12-contact

Duodecar dissimilar dual triode designed for television vertical-deflection systems, combining an oscillator section with a low-mu power-amplifier section. Published ratings include 10 W plate dissipation and high pulse-voltage capability.

Base

—

Socket code

B9A

Sections

2

Heater

13 V / 300 mA

Plate

S1: 250 V · S2: 250 V

Screen

S2: 250 V

gm

S1: 14 mA/V · S2: 6.5 mA/V

B9A - Small-button Noval 9-contact

Combination tube containing a triode and beam tetrode for audio-amplifier or television frame time-base service, with the beam section serving as the power-output element.

Base

—

Socket code

—

Sections

2

Heater

13 V / 450 mA

Plate

S1: 330 V / 1.5 W · S2: 330 V / 10 W

Ik max

S2: 50 mA

rP

S1: 40,000 Ω · S2: 1,000 Ω

gm

S1: 1.5 mA/V · S2: 7 mA/V

μ

S1: 60 · S2: 6.4

Dissimilar dual triode in the 6GF7/10GF7/13GF7 family, intended for television vertical-deflection oscillator and amplifier service. Its low-mu output section carries substantially greater plate dissipation than the companion oscillator section.

Base

—

Socket code

B9E

Sections

2

Heater

13 V / 450 mA

Plate

S1: 330 V / 11 W · S2: 330 V / 1.5 W

Ik max

S1: 175 mA · S2: 20 mA

rP

S1: 760 Ω · S2: 40,000 Ω

gm

S1: 7.2 mA/V · S2: 1.5 mA/V

μ

S1: 6 · S2: 60

9 pins - B9E - Novar 9-contact

Novar dissimilar dual triode for combined television vertical-deflection oscillator and amplifier service. It pairs a small-signal oscillator section with a low-mu 10 W power section designed for high pulse-voltage operation.

Base

12OZ

Socket code

B12C

Sections

2

Heater

12.7 V / 600 mA

Plate

S1: 250 V / 1 W · S2: 250 V / 7 W

Screen

S2: 200 V / 1.8 W

Ik max

S1: 70 mA · S2: 245 mA

rP

S1: 8,500 Ω · S2: 11,700 Ω

gm

S1: 2.35 mA/V · S2: 7.1 mA/V

μ

S1: 20

12 pins - B12C - Duodecar 12-contact

Combination triode and beam-power tube designed for television vertical-deflection oscillator and amplifier service, integrating sweep generation and output amplification in one envelope.

Base

—

Socket code

B9A

Sections

2

Heater

15 V / 450 mA

Plate

S1: 300 V / 2.5 W · S2: 500 V / 2.5 W

Screen

S2: 190 V / 1.25 W

Ik max

S1: 20 mA · S2: 40 mA

rP

S1: 7,700 Ω · S2: 13,000 Ω

gm

S1: 2.6 mA/V · S2: 7.3 mA/V

μ

S1: 20

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

Combination medium-mu triode and beam pentode designed for television vertical-deflection oscillator and amplifier service, with controlled heater warm-up for series-string receivers.

Base

9CV

Socket code

B9A

Sections

1

Heater

15 V / 300 mA

Plate

250 V / 12 W

Screen

200 V / 2.5 W

Ik max

100 mA

rP

30,000 Ω

gm

11.3 mA/V

μ

8

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

Power pentode designed for vertical-deflection amplifier service in color and black-and-white television receivers. It provides the output current and voltage swing required by the vertical scanning system.

Base

8B0

Socket code

IO

Sections

2

Heater

14.8 V / 450 mA

Plate

S1: 350 V / 1 W · S2: 550 V / 10 W

Ik max

S1: 20 mA · S2: 175 mA

rP

S1: 30,000 Ω · S2: 900 Ω

gm

S1: 2.2 mA/V · S2: 6.7 mA/V

μ

S1: 65 · S2: 6

8 pins - IO - International Octal

Dissimilar dual triode for combined television vertical-deflection oscillator and amplifier service. Its high-mu oscillator section drives a low-mu 10 W output section capable of substantial peak current and kilovolt-level pulse voltage.

Base

—

Socket code

—

Sections

2

Heater

13 V / 450 mA

Plate

S1: 330 V / 1.5 W · S2: 330 V / 10 W

rP

S1: 40,000 Ω · S2: 750 Ω

gm

S1: 1.6 mA/V · S2: 7.2 mA/V

μ

S1: 64 · S2: 5.4

Base

9HF

Socket code

B9A

Sections

2

Heater

14.8 V / 450 mA

Plate

S1: 330 V / 1.5 W · S2: 330 V / 10 W

Ik max

S1: 22 mA · S2: 50 mA

rP

S1: 8,750 Ω · S2: 800 Ω

gm

S1: 2 mA/V · S2: 7.5 mA/V

μ

S1: 17.5 · S2: 6

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

Dissimilar dual triode designed for combined television vertical-deflection oscillator and amplifier service. It combines a small-signal oscillator section with a 10 W power section and published high pulse-voltage ratings.

Base

12EJ

Socket code

B12C

Sections

2

Heater

14.8 V / 450 mA

Plate

S1: 330 V / 1.5 W · S2: 330 V / 10 W

Ik max

S1: 20 mA · S2: 50 mA

rP

S1: 40,000 Ω · S2: 1,000 Ω

gm

S1: 1.5 mA/V · S2: 7 mA/V

μ

S1: 60 · S2: 6

12 pins - B12C - Duodecar 12-contact

Duodecar dissimilar dual triode for television vertical-deflection oscillator and amplifier service. One section serves as the oscillator while the second is a low-mu 10 W power amplifier designed for pulsed deflection duty.

Base

12E0

Socket code

B12C

Sections

2

Heater

14.7 V / 450 mA

Plate

S1: 330 V / 1.5 W · S2: 330 V / 10 W

Ik max

S1: 20 mA · S2: 50 mA

rP

S1: 40,000 Ω · S2: 1,000 Ω

gm

S1: 1.5 mA/V · S2: 7 mA/V

μ

S1: 60 · S2: 6

12 pins - B12C - Duodecar 12-contact

Duodecar dissimilar dual triode intended for combined television vertical-deflection oscillator and amplifier service. Its paired sections provide oscillator drive and 10 W power-output capability, with peak plate-pulse ratings reaching about 2 kV.

Base

Refer to variations

Socket code

Refer to variations

Sections

2

Heater

15 V / 450 mA

Plate

S1: 330 V / 1.5 W · S2: 300 V / 12 W

Screen

S2: 150 V / 1.9 W

rP

S1: 40,000 Ω · S2: 18,000 Ω

gm

S1: 1.6 mA/V · S2: 8.4 mA/V

μ

S1: 64

Refer to variations

Base

9QT

Socket code

B9A

Sections

2

Heater

15 V / 450 mA

Plate

S1: 330 V / 1.5 W · S2: 300 V / 12 W

Screen

S2: 150 V / 1.9 W

Ik max

S1: 22 mA · S2: 70 mA

rP

S1: 40,000 Ω · S2: 18,000 Ω

gm

S1: 1.6 mA/V · S2: 8.4 mA/V

μ

S1: 64 · S2: 7

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

Novar combination tube containing a high-mu triode and beam-power section for television vertical-deflection oscillator and amplifier service in receivers using low-voltage B supplies.

Base

12DZ

Socket code

B12C

Sections

2

Heater

14.7 V / 600 mA

Plate

S1: 400 V / 2.5 W · S2: 400 V / 12 W

Screen

S2: 300 V / 2.75 W

Ik max

S1: 30 mA · S2: 75 mA

rP

S1: 14,000 Ω · S2: 5,000 Ω

gm

S1: 4.1 mA/V · S2: 4.1 mA/V

μ

S1: 58

12 pins - B12C - Duodecar 12-contact

Combination high-mu triode and beam-power tube designed for television vertical-deflection oscillator and output-amplifier service, with the beam section rated for high positive plate pulses.

Base

9BL

Socket code

B9A

Sections

1

Heater

16.5 V / 300 mA

Plate

250 V / 9 W

Screen

250 V / 2.5 W

Ik max

75 mA

rP

20,000 Ω

gm

9 mA/V

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

Output pentode designed for television frame time-base output or audio-output service. Its power capability supports either vertical-deflection drive or conventional low-frequency load power.

Base

9EX

Socket code

B9A

Sections

2

Heater

16 V / 300 mA

Plate

S1: 250 V · S2: 250 V / 7 W

Screen

S2: 250 V / 1.8 W

Ik max

S2: 50 mA

rP

S2: 20,000 Ω

gm

S1: 2.5 mA/V · S2: 6.4 mA/V

μ

S1: 70

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

High-mu triode and power pentode combined for television vertical oscillator/amplifier and audio-output service. The triode provides control or voltage gain while the pentode supplies output power.

Base

12GZ

Socket code

B9A

Sections

3

Heater

16.4 V / 600 mA

Plate

S1: 330 V / 1.25 W · S2: 330 V / 1 W · S3: 350 V / 10 W

Screen

S3: 250 V / 2 W

rP

S1: 11,000 Ω · S2: 8,500 Ω · S3: 16,400 Ω

gm

S1: 3.9 mA/V · S2: 2.35 mA/V · S3: 6.2 mA/V

μ

S1: 43 · S2: 20

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

Combination tube with two dissimilar triodes and a beam-power section for television vertical-deflection amplifier, oscillator, and sync-clipper functions.

Base

—

Socket code

B9A

Sections

2

Heater

16 V / 300 mA

Plate

S1: 250 V / 1 W · S2: 275 V / 8 W

Screen

S2: 250 V / 2.5 W

Ik max

S1: 15 mA

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

Russian triode-pentode for television low-frequency amplification and vertical-deflection circuits with series-heater operation. It combines a small-signal triode and power-capable pentode for integrated television time-base service.

Base

—

Socket code

—

Sections

2

Heater

15.8 V / 600 mA

Plate

S2: 2,500 V / 14 W

gm

S1: 3.6 mA/V · S2: 9.3 mA/V

μ

S1: 58

Compactron combining a high-mu triode and beam-power section specifically for television vertical-deflection oscillator and output-amplifier service.

Base

12DZ

Socket code

B12C

Sections

2

Heater

16 V / 600 mA

Plate

S1: 400 V / 2.5 W · S2: 400 V / 14 W

Screen

S2: 300 V / 2.75 W

Ik max

S1: 30 mA · S2: 75 mA

rP

S1: 16,000 Ω · S2: 12,000 Ω

gm

S1: 3.6 mA/V · S2: 9.3 mA/V

μ

S1: 58

12 pins - B12C - Duodecar 12-contact

Compactron high-mu triode and beam-power tube for television vertical-deflection oscillator and amplifier service, with a 14-watt beam section and high pulse-voltage capability.

Base

9RA

Socket code

B9E

Sections

2

Heater

16.8 V / 450 mA

Plate

S1: 770 V / 17.5 W

Screen

S1: 220 V / 3.5 W

Ik max

S1: 175 mA · S2: 100 mA

Rectifier

S2: 1 mA

rP

S1: 15,000 Ω

gm

S1: 7.5 mA/V

μ

S1: 6.5

9 pins - B9E - Novar 9-contact

Beam-power deflection tube with an integral diode connected to grid No. 3, intended for feedback-stabilized television vertical-output circuits and rated for severe pulse operation.

Base

12OZ

Socket code

B9A

Sections

2

Heater

16.8 V / 450 mA

Plate

S1: 330 V / 2.5 W · S2: 330 V / 12 W

Screen

S2: 250 V / 2.5 W

Ik max

S1: 25 mA · S2: 80 mA

rP

S1: 5,000 Ω · S2: 25,000 Ω

gm

S1: 8.5 mA/V · S2: 6.5 mA/V

μ

S1: 40

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

Combination triode and beam-power tube designed for television vertical-deflection oscillator and amplifier applications, with a 12-watt beam section and substantial pulse ratings.

Base

12DZ

Socket code

B9A

Sections

2

Heater

16.8 V / 450 mA

Plate

S1: 250 V / 1 W · S2: 250 V

Ik max

S1: 20 mA

rP

S1: 8,500 Ω · S2: 13,100 Ω

gm

S1: 2.35 mA/V · S2: 7.7 mA/V

μ

S1: 20

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

Combination triode and beam-power pentode designed specifically for television vertical oscillator and output-amplifier service.

Base

—

Socket code

—

Sections

1

Heater

16.8 V / 450 mA

Plate

330 V / 12 W

Screen

165 V / 1.35 W

rP

28,000 Ω

gm

8 mA/V

Base

—

Socket code

B9A

Sections

2

Heater

18 V / 315 mA

Plate

S1: 250 V / 0.5 W · S2: 250 V / 7 W

Screen

S2: 250 V / 1.5 W

Ik max

S1: 15 mA · S2: 15 mA

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

Russian series-heater triode-pentode for television vertical-deflection circuitry, combining frame oscillator/driver and power-output functions.