Voltage - Triode Pentode vacuum tubes

Pentode-Triode

Combined triode-pentode for television video, IF, AGC, sync, burst, band-pass, or related signal-processing stages.

Base

Not recorded

Socket

B12C

Heater

6.3 V

Sections

2

Pentode-Triode

Combined triode-pentode for television video, IF, AGC, sync, burst, band-pass, or related signal-processing stages.

Base

9DA

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Combined triode-pentode for television video, IF, AGC, sync, burst, band-pass, or related signal-processing stages.

Base

9DA

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Medium-mu triode plus sharp-cutoff pentode combination; available documentation establishes the construction but does not support one dominant application strongly enough for reassignment.

Base

9DX

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Combined triode-pentode for television video, IF, AGC, sync, burst, band-pass, or related signal-processing stages.

Base

9DX

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Triode-pentode combination intended for Class-A amplifier service.

Base

9DZ

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Triode-pentode combination intended for Class-A amplifier service.

Base

9DX

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Miniature medium-mu triode and sharp-cutoff pentode designed specifically as a VHF oscillator-mixer frequency changer.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Miniature medium-mu triode and sharp-cutoff pentode for VHF oscillator-mixer frequency conversion, with controlled heater warm-up.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Russian wide-band triode-pentode designed for broadband amplifier applications.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Russian triode-pentode designed for television and radio amplifier service, combining two amplifier sections in a miniature envelope.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Russian miniature triode-pentode designed for electronic amplifier service; translated source evidence does not support a narrower functional assignment without speculation.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Russian miniature triode-pentode whose pentode section is designed for video and low-frequency output stages while the triode serves complementary amplifier functions.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Russian 6F5P miniature triode-pentode designed specifically for television vertical-deflection/sweep circuits, combining a control triode and power-capable pentode in a nine-pin envelope.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Television triode-pentode combining a vertical-deflection oscillator triode with a general-purpose or IF-amplifier pentode.

Base

9FA

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Triode-pentode designed for VHF oscillator and mixer service.

Base

9GF

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Low-mu high-perveance triode plus sharp-cutoff pentode, particularly suited to voltage-regulator applications; the triode has about 7-watt plate dissipation.

Base

9LC

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Sharp-cutoff pentode and medium-mu triode combination, with the pentode intended primarily as a television horizontal-deflection oscillator.

Base

9AE

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Medium-mu triode and sharp-cutoff pentode for television horizontal-oscillator, multivibrator, and amplifier applications.

Base

9AE

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Sharp-cutoff pentode and medium-mu triode combination, with the pentode intended primarily as a television horizontal-deflection oscillator.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

High-mu triode and sharp-cutoff pentode for television sync, sound-IF, phase-inverter, and video-amplifier service.

Base

9DX

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Combined power pentode and high-mu triode for amplifier service; source data do not establish the project’s 5-watt power threshold.

Base

Not recorded

Socket

UX7

Heater

6.3 V

Sections

2

Pentode-Triode

Triode-pentode combination tube; available source material does not establish a narrower functional application confidently.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

The 6HD7 is a miniature triode-pentode developed for television VHF oscillator and mixer applications. It combines a medium-mu triode oscillator with a sharp-cutoff pentode mixer in a single nine-pin envelope, operating from a 6.3-volt, 450-milliampere heater supply.

Base

B9A

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

High-mu triode plus high-transconductance pentode for television amplifier and synchronization service.

Base

9DX

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Medium-mu triode plus sharp-cutoff pentode for television sync, video, and amplifier service.

Base

9AE

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Medium-mu triode and sharp-cutoff pentode miniature combination with controlled heater warm-up.

Base

9PA

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Medium-mu triode for voltage amplification or phase inversion combined with a sharp-cutoff pentode for power amplification.

Base

9DA

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Triode-pentode with a sharp-cutoff pentode intended for television horizontal-deflection oscillator service.

Base

9AE

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Triode-pentode combination designed for television receiver signal-processing service.

Base

9DX

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

High-mu triode and sharp-cutoff pentode for television sound-IF, sync, keyed-AGC, and video-amplifier circuits.

Base

9AE

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

High-mu triode and sharp-cutoff pentode for television sync-separator and specialized pentode-amplifier circuits.

Base

9PV

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Medium-mu triode plus sharp-cutoff pentode; the pentode serves as a television video amplifier and the triode as a general-purpose amplifier.

Base

9DX

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Triode-pentode combination for television receiver signal-amplifier service.

Base

9DX

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

High-mu triode and pentode combination intended for television video-amplifier and related service.

Base

B9A

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

High-mu triode plus sharp-cutoff pentode used in television IF, sync-separator, and voltage-amplifier applications.

Base

9QP

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Combined triode-pentode for general amplification or receiving-equipment service.

Base

B9A

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Combined triode-pentode for television video, sync, burst, IF, AGC, or related signal-processing circuits.

Base

9QY

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Combined triode-pentode for television video, sync, burst, IF, AGC, or related signal-processing circuits.

Base

9DX

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Medium-mu triode and semi-remote-cutoff pentode for television burst amplification and general-purpose amplification.

Base

9AE

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Combined triode-pentode for television video, sync, burst, IF, AGC, or related signal-processing circuits.

Base

9DX

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Combined triode-pentode for television video, sync, burst, IF, AGC, or related signal-processing circuits.

Base

9FA

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Triode-pentode for television horizontal-deflection, AGC-amplifier, and sync-separator applications.

Base

9DC

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Combined triode-pentode for television video, sync, burst, IF, AGC, or related signal-processing circuits.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Combined triode-pentode for television video, sync, burst, IF, AGC, or related signal-processing circuits.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Combined triode-pentode for television video, sync, burst, IF, AGC, or related signal-processing circuits.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Combined triode-pentode for general amplification or receiving-equipment service.

Base

7U

Socket

IO

Heater

6.3 V

Sections

2

Pentode-Triode

6U9 voltage - triode pentode electronic tube specifications and datasheets.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

2