Skip to main content

Electronic tube type

Voltage - Triode Pentode vacuum tubes

Voltage - Triode Pentode records in Tube Tinker cover 154 tube designations, including 668 preserved original datasheets. Compare bases, sockets, heater requirements, construction, exact variations, and directional replacement options.

Search this type in the catalog →
Tube records
154
Original datasheets
668
Variation families
32
Tubes with alternatives
78

About Voltage - Triode Pentode tubes

If the tube is a voltage or signal triode pentode, where neither section is a power type, then assign this type.

Electrical range

Nominal heater voltage
1.4–25 V
Nominal heater current
0.05–1 A

Common voltage - triode pentode characteristics

These are the most frequently recorded attributes among tubes in this category.

Bases

  • 9DX24
  • 9AE12
  • B9A10
  • 9DA7
  • 9FA6
  • 9HX5
  • 9DZ3
  • 9PV2

Sockets

  • B9A116
  • IO7
  • B12C5
  • B10B2
  • B10G1
  • B9E1
  • UX71

Constructions

  • Pentode-Triode151
  • Diode-Pentode-Triode3

Voltage - Triode Pentode tube list

Page 3 of 4

Open advanced catalog filters →
  • 6X9

    Pentode-Triode

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

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    2
  • 7060

    Pentode-Triode

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

    Base
    Not recorded
    Socket
    B9A
    Heater
    13.5 V
    Sections
    2
  • 7199

    Pentode-Triode

    Medium-mu triode and sharp-cutoff pentode for high-fidelity audio phase splitting, tone control, and voltage amplification.

    Base
    Not recorded
    Socket
    B9A
    Heater
    6.3 V
    Sections
    2
  • 7687

    Pentode-Triode

    Low-noise triode-pentode for high-fidelity voltage amplification, phase splitting, preamplification, and tone-control service.

    Base
    Not recorded
    Socket
    B9A
    Heater
    6.3 V
    Sections
    2
  • 7731

    Pentode-Triode

    High-reliability medium-mu triode plus sharp-cutoff pentode replacement for 6U8.

    Base
    E9-1 / 9AE
    Socket
    B9A
    Heater
    6.3 V
    Sections
    2
  • 7734

    Pentode-Triode

    High-perveance triode plus sharp-cutoff pentode designed specifically for electronically regulated power-supply circuits.

    Base
    Not recorded
    Socket
    B9A
    Heater
    6.3 V
    Sections
    2
  • 8445

    Pentode-Triode

    Reliable mobile-radio combination tube containing a medium-mu triode and sharp-cutoff high-frequency pentode with separate cathodes.

    Base
    Not recorded
    Socket
    B9A
    Heater
    13.5 V
    Sections
    2
  • 8446

    Pentode-Triode

    Reliable mobile-radio medium-mu triode and sharp-cutoff high-frequency pentode, electrically equivalent to 8445 with different basing.

    Base
    Not recorded
    Socket
    B9A
    Heater
    13.5 V
    Sections
    2
  • 8489

    Pentode-Triode

    Reliable medium-mu triode plus sharp-cutoff pentode combination for amplifier and control service.

    Base
    Not recorded
    Socket
    B9A
    Heater
    6.3 V
    Sections
    2
  • 8A8

    Pentode-Triode

    8A8 voltage - triode pentode electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    8.4 V
    Sections
    2
  • 8AL9

    Pentode-Triode

    Compactron high-mu triode and sharp-cutoff pentode; the triode is general-purpose and the pentode serves as a video amplifier.

    Base
    12HE
    Socket
    B12C
    Heater
    8.6 V
    Sections
    2
  • 8AU8

    Pentode-Triode

    Television triode-pentode for video/IF amplification and synchronization or sweep service.

    Base
    9DX
    Socket
    B9A
    Heater
    8.4 V
    Sections
    2
  • 8AU8A

    Pentode-Triode

    Television triode-pentode for video/IF amplification and synchronization or sweep service.

    Base
    9DX
    Socket
    B9A
    Heater
    8.4 V
    Sections
    2
  • 8AW8A

    Pentode-Triode

    High-mu triode plus sharp-cutoff pentode for television IF, video, AGC/reactance, oscillator, sync, and phase-splitter circuits.

    Base
    9DX
    Socket
    B9A
    Heater
    8.4 V
    Sections
    2
  • 8BA8A

    Pentode-Triode

    Medium-mu triode plus sharp-cutoff pentode for television video/AGC/reactance service and low-frequency oscillator or phase-splitter circuits.

    Base
    9DX
    Socket
    B9A
    Heater
    8.4 V
    Sections
    2
  • 8BH8

    Pentode-Triode

    Medium-mu triode plus sharp-cutoff pentode, heater variant of the 6BH8.

    Base
    9DX
    Socket
    B9A
    Heater
    8.4 V
    Sections
    2
  • 8HG8

    Pentode-Triode

    8HG8 voltage - triode pentode electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    8 V
    Sections
    2
  • 8JT8

    Pentode-Triode

    8JT8 voltage - triode pentode electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    7.7 V
    Sections
    2
  • 8JV8

    Pentode-Triode

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

    Base
    NOVAL
    Socket
    B9A
    Heater
    8.5 V
    Sections
    2
  • 8KA8

    Pentode-Triode

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

    Base
    9PV
    Socket
    B9A
    Heater
    8.4 V
    Sections
    2
  • 8KS8

    Pentode-Triode

    High-mu triode and semi-remote-cutoff pentode for television video-amplifier and related service.

    Base
    Not recorded
    Socket
    B9A
    Heater
    8.4 V
    Sections
    2
  • 8LC8

    Pentode-Triode

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

    Base
    9QY
    Socket
    B9A
    Heater
    8.4 V
    Sections
    2
  • 8MU8

    Pentode-Triode

    8MU8 voltage - triode pentode electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    8.4 V
    Sections
    2
  • 8U9

    Pentode-Triode

    8U9 voltage - triode pentode electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    2
  • 8X9

    Pentode-Triode

    8X9 voltage - triode pentode electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    2
  • 9AH9

    Pentode-Triode

    Compactron triode and frame-grid pentode combination for electronic signal service.

    Base
    E12-70
    Socket
    B12C
    Heater
    8.8 V
    Sections
    2
  • 9BR7

    Pentode-Triode

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

    Base
    Not recorded
    Socket
    B9A
    Heater
    Not recorded
    Sections
    2
  • 9BR8

    Pentode-Triode

    High-frequency triode-pentode for RF and related signal service.

    Base
    Not recorded
    Socket
    B9A
    Heater
    9.45 V
    Sections
    2
  • 9EA8

    Pentode-Triode

    9EA8 voltage - triode pentode electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    9.5 V
    Sections
    2
  • 9GH8A

    Pentode-Triode

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

    Base
    9AE
    Socket
    B9A
    Heater
    9.45 V
    Sections
    2
  • 9JW8

    Pentode-Triode

    Medium-mu triode plus sharp-cutoff pentode used as a television horizontal oscillator and frequency-control tube.

    Base
    9AE
    Socket
    B9A
    Heater
    9 V
    Sections
    2
  • 9X8

    Pentode-Triode

    9X8 voltage - triode pentode electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    9.5 V
    Sections
    2
  • E80CF

    Pentode-Triode

    Long-life rugged triode-pentode for mixer, RF/AF amplification, oscillator, and multivibrator service.

    Base
    NOVAL
    Socket
    B9A
    Heater
    6.3 V
    Sections
    2
  • ECF1

    Pentode-Triode

    Early triode-pentode combination tube for receiver and amplifier service; available source material does not establish a narrower function confidently.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    4 V
    Sections
    2
  • ECF12

    Pentode-Triode

    ECF12 voltage - triode pentode electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    2
  • ECF200

    Pentode-Triode

    Triode-pentode combination for electronic signal service; available source material does not establish a narrower functional application confidently.

    Base
    Not recorded
    Socket
    B9A
    Heater
    6.3 V
    Sections
    2
  • ECF201

    Pentode-Triode

    Triode-pentode combination for electronic signal service; available source material does not establish a narrower functional application confidently.

    Base
    Not recorded
    Socket
    B9A
    Heater
    6.3 V
    Sections
    2
  • ECF202

    Pentode-Triode

    Triode-pentode combination for electronic signal service; available source material does not establish a narrower functional application confidently.

    Base
    Not recorded
    Socket
    B9A
    Heater
    6.3 V
    Sections
    2
  • ECF80

    Pentode-Triode

    Triode-pentode combination for receiver and amplifier service; available source material does not establish a narrower functional role confidently.

    Base
    9C12
    Socket
    B9A
    Heater
    6.3 V
    Sections
    2
  • ECF801

    Pentode-Triode

    Triode-pentode combination for electronic signal service; available source material does not establish a narrower functional application confidently.

    Base
    9QA
    Socket
    B9A
    Heater
    6.3 V
    Sections
    2
  • ECF803

    Pentode-Triode

    ECF803 indirectly heated triode-pentode for mixer, oscillator and amplifier service in television and VHF receivers.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    2
  • ECF804

    Pentode-Triode

    ECF804 voltage - triode pentode electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    2
  • ECF8070

    Pentode-Triode

    Special-quality long-life triode-pentode for professional electronic equipment.

    Base
    Not recorded
    Socket
    B9A
    Heater
    6.3 V
    Sections
    2
  • ECF86

    Pentode-Triode

    Triode-pentode combination for high-frequency electronic service; available source material does not establish a narrower functional role confidently.

    Base
    9MP
    Socket
    B9A
    Heater
    6.3 V
    Sections
    2
  • ECL80

    Pentode-Triode

    Triode-pentode for television synchronization, oscillator, mixer, and low-power amplifier circuits.

    Base
    B9A
    Socket
    B9A
    Heater
    6.3 V
    Sections
    2
  • ECL84

    Pentode-Triode

    High-mu triode plus sharp-cutoff pentode for television sync/noise circuits and video-output service; pentode dissipation is about 4 watts.

    Base
    9HX
    Socket
    B9A
    Heater
    6.3 V
    Sections
    2
  • LCF201

    Pentode-Triode

    LCF201 voltage - triode pentode electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    2
  • LCF802

    Pentode-Triode

    Triode-pentode used as a television horizontal oscillator and frequency-control tube.

    Base
    9AE
    Socket
    B9A
    Heater
    6 V
    Sections
    2