Electronic tube and vacuum tube catalog

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

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

—

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

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.

Base

9EX

Socket code

B9A

Sections

2

Heater

6.3 V / 780 mA

Plate

S1: 300 V / 1 W · S2: 600 V / 7 W

Screen

S2: 300 V / 1.8 W

Ik max

S2: 50 mA

rP

S1: 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/power-pentode combination for compact audio amplification and television vertical-output circuitry.

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

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

Triode/power-pentode combination for television vertical oscillator/output and audio-frequency amplification.

Base

—

Socket code

B9A

Sections

2

Heater

6.3 V / 875 mA

Plate

S1: 250 V / 0.5 W · S2: 250 V / 9 W

Screen

S2: 250 V / 2.5 W

Ik max

S1: 15 mA · S2: 75 mA

rP

S1: 15,000 Ω · S2: 18,000 Ω

gm

S1: 5.5 mA/V · S2: 11 mA/V

μ

S1: 50

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

Combination triode-pentode power tube designed primarily for television vertical/frame-deflection output service.

Base

—

Socket code

B9A

Sections

2

Heater

6.3 V / 875 mA

Plate

S1: 300 V / 1.5 W · S2: 550 V / 7 W

Screen

S2: 250 V / 2.5 W

Ik max

S1: 20 mA · S2: 80 mA

rP

S1: 15,000 Ω · S2: 18,000 Ω

gm

S1: 5.5 mA/V · S2: 11 mA/V

μ

S1: 50

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

Combination triode-pentode power tube designed primarily for television vertical/frame-deflection output service.

Base

9LY

Socket code

B9A

Sections

2

Heater

6.3 V / 900 mA

Plate

S1: 250 V / 1 W · S2: 550 V / 7 W

Screen

S2: 250 V / 2.5 W

Ik max

S1: 20 mA · S2: 80 mA

rP

S1: 18,000 Ω · S2: 15,000 Ω

gm

S1: 5.5 mA/V · S2: 11 mA/V

μ

S1: 50 · S2: 50

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

Combination triode-pentode power tube designed primarily for television vertical/frame-deflection output service.

Base

—

Socket code

B9A

Sections

2

Heater

17.5 V / 300 mA

Plate

S1: 300 V / 1.5 W · S2: 550 V / 7 W

Screen

S2: 250 V / 2.5 W

Ik max

S1: 20 mA · S2: 80 mA

rP

S1: 15,000 Ω · S2: 18,000 Ω

gm

S1: 5.5 mA/V · S2: 11 mA/V

μ

S1: 50

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

Triode-pentode designed for television vertical-deflection and power-amplifier service. The triode provides control or voltage gain while the pentode supplies output power for scanning.

Base

B9A

Socket code

B9A

Sections

2

Heater

12.6 V / 300 mA

Plate

S1: 250 V / 3.5 W · S2: 250 V / 5.4 W

Screen

S2: 250 V / 1.2 W

Ik max

S1: 15 mA · S2: 45 mA

rP

S1: 7,700 Ω · S2: 53,000 Ω

gm

S1: 2.2 mA/V · S2: 5.5 mA/V

μ

S1: 17 · S2: 10

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

Power-output pentode designed for television frame/vertical time-base output and audio power-amplifier service.

Base

Refer to variations

Socket code

B9A

Sections

2

Heater

8 V / 300 mA

Plate

S1: 250 V · S2: 300 V / 7 W

Screen

S2: 250 V

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

Triode/power-pentode combination for radio audio amplification and television vertical-output service.

Base

9LY

Socket code

B9A

Sections

2

Heater

9 V / 300 mA

Plate

S1: 250 V / 0.5 W · S2: 250 V / 9 W

Screen

S2: 250 V / 2 W

Ik max

S1: 20 mA · S2: 75 mA

rP

S1: 7,600 Ω · S2: 25,000 Ω

gm

S1: 6.5 mA/V · S2: 7.5 mA/V

μ

S1: 50

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

Triode/power-pentode combination primarily for television vertical oscillator and deflection-output circuitry.