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.
- 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 1 of 4
10C8 Pentode-Triode
Triode-pentode for series-string television receivers, combining separate signal-amplifier functions in one miniature envelope.
- Base
- 9DA
- Socket
- B9A
- Heater
- 10.5 V
- Sections
- 2
10DX8 Pentode-Triode
Television triode-pentode: the triode serves sync-separator, sync-amplifier, keyed-AGC, or noise-suppressor functions while the pentode handles signal amplification.
- Base
- 9HX
- Socket
- B9A
- Heater
- 10.2 V
- Sections
- 2
10EB8 Pentode-Triode
Television triode-pentode combining sync or voltage-amplifier functions with a sharp-cutoff video-amplifier pentode.
- Base
- 9DX
- Socket
- B9A
- Heater
- 10.5 V
- Sections
- 2
10JT8 Pentode-Triode
Frame-grid television triode-pentode combining voltage-amplifier or sync-separator triode service with video-amplifier pentode operation.
- Base
- 9DX
- Socket
- B9A
- Heater
- 10.2 V
- Sections
- 2
10JY8 Pentode-Triode
Television triode-pentode with a video-amplifier pentode and sync-separator triode for receiver signal-processing stages.
- Base
- 9DX
- Socket
- B9A
- Heater
- 10.5 V
- Sections
- 2
10KR8 Pentode-Triode
Television triode-pentode combining a general-purpose triode amplifier with a video-amplifier pentode.
- Base
- 9DX
- Socket
- B9A
- Heater
- 10.5 V
- Sections
- 2
10LB8 Pentode-Triode
Frame-grid sharp-cutoff pentode combined with a medium-mu triode for television video-amplifier service.
- Base
- 9DX
- Socket
- B9A
- Heater
- 10.2 V
- Sections
- 2
10LW8 Pentode-Triode
High-mu triode combined with a sharp-cutoff pentode for signal-amplifier service.
- Base
- 9DX
- Socket
- B9A
- Heater
- 10.5 V
- Sections
- 2
10LY8 Pentode-Triode
Television triode-pentode with a video-amplifier pentode and general-purpose triode section.
- Base
- 9DX
- Socket
- B9A
- Heater
- 10.5 V
- Sections
- 2
10LZ8 Pentode-Triode
Television triode-pentode combining sync-separator, sync-clipper, and phase-inverter triode functions with video-amplifier pentode service.
- Base
- 9DX
- Socket
- B9A
- Heater
- 10.5 V
- Sections
- 2
11JE8 Pentode-Triode
Dissimilar high-mu triode and sharp-cutoff pentode for color-TV sync-separator, voltage-amplifier, and video-amplifier service.
- Base
- 9DX
- Socket
- B9A
- Heater
- 10.9 V
- Sections
- 2
12AU8 Pentode-Triode
Sharp-cutoff pentode plus medium-mu triode for television video/IF amplification and sync or sweep-oscillator service.
- Base
- 9DM
- Socket
- B9A
- Heater
- 12.6 V
- Sections
- 2
12B8GT Pentode-Triode
Midget triode-pentode for RF/IF amplification and detector service.
- Base
- Not recorded
- Socket
- IO
- Heater
- 12.6 V
- Sections
- 2
12CT8 Pentode-Triode
Triode-pentode for television video-amplifier and synchronization service.
- Base
- 9DA
- Socket
- B9A
- Heater
- 12.6 V
- Sections
- 2
12JN8 Pentode-Triode
Pentode-triode combination tube; available source material does not establish a narrower functional application confidently.
- Base
- 9FA
- Socket
- B9A
- Heater
- 12.6 V
- Sections
- 2
15DQ8 Pentode-Triode
Television triode-pentode combining synchronization and control functions with signal amplification in color and black-and-white receivers.
- Base
- 9HX
- Socket
- B9A
- Heater
- 15 V
- Sections
- 2
15F4P Pentode-Triode
Triode-pentode for television and radio receivers, designed for video-output, low-frequency amplifier, and automatic-control circuits; pentode dissipation is about 4 watts.
- Base
- Not recorded
- Socket
- B9A
- Heater
- 15 V
- Sections
- 2
17A8 Pentode-Triode
17A8 voltage triode pentode electronic tube specifications and datasheets.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 16.8 V
- Sections
- 2
17LD8 Pentode-Triode
Triode-pentode combining a voltage-amplifier triode with a 7-watt-dissipation power pentode section for output service.
- Base
- Not recorded
- Socket
- B9E
- Heater
- 16.8 V
- Sections
- 2
19HV8 Pentode-Triode
Triode-pentode for intermediate-frequency and audio-frequency voltage amplification.
- Base
- 9FA
- Socket
- B9A
- Heater
- 18.9 V
- Sections
- 2
19Q9 Pentode-Triode
Medium-mu triode and semi-remote-cutoff pentode intended primarily for FM RF amplification and autodyne-mixer service.
- Base
- 10H
- Socket
- B10G
- Heater
- 18.9 V
- Sections
- 2
1D8GT Diode-Pentode-Triode
Directly heated diode-triode-power-pentode combination for battery receivers; the pentode provides low-power audio output while the diode and triode handle signal functions.
- Base
- 8AJ
- Socket
- IO
- Heater
- 1.4 V
- Sections
- 3
25B8GT Pentode-Triode
Combined triode and RF pentode for receiving and signal-amplifier service.
- Base
- 8T
- Socket
- IO
- Heater
- 25 V
- Sections
- 2
25D8GT Diode-Pentode-Triode
Diode-triode-pentode for compact AC/DC receivers, combining RF/IF amplification, detector, and audio-frequency signal functions.
- Base
- 8AF
- Socket
- IO
- Heater
- 25 V
- Sections
- 3
30C17 Pentode-Triode
Variable-mu frame-grid triode-pentode for VHF television tuner amplification.
- Base
- B9A
- Socket
- B9A
- Heater
- 7.4 V
- Sections
- 2
30FL14 Pentode-Triode
Triode-pentode for television IF amplification with a general-purpose scanning-oscillator triode.
- Base
- B9A
- Socket
- B9A
- Heater
- 7.4 V
- Sections
- 2
3A8GT Diode-Pentode-Triode
Directly heated diode-triode sharp-cutoff RF pentode combination for battery-operated receiving service.
- Base
- 8AS
- Socket
- IO
- Heater
- 2.8 V
- Sections
- 3
4CM8 Pentode-Triode
High-mu triode and sharp-cutoff pentode combination for amplifier and television video service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 4.7 V
- Sections
- 2
4GS7 Pentode-Triode
Triode-pentode electrically equivalent to 7GS7 except for its 4.0-volt, 0.6-ampere heater.
- Base
- Not recorded
- Socket
- B9A
- Heater
- 4 V
- Sections
- 2
4HG8 Pentode-Triode
4HG8 voltage triode pentode electronic tube specifications and datasheets.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 4.5 V
- Sections
- 2
4JW8 Pentode-Triode
Triode-pentode for television horizontal-oscillator and automatic-frequency-control service.
- Base
- Not recorded
- Socket
- B9A
- Heater
- 4.5 V
- Sections
- 2
5AN8 Pentode-Triode
Medium-mu triode plus sharp-cutoff pentode for television IF/video/AGC and oscillator, sync, phase-splitter, or reactance-tube circuits.
- Base
- 9DA
- Socket
- B9A
- Heater
- 4.7 V
- Sections
- 2
5AV8 Pentode-Triode
Miniature medium-mu triode and sharp-cutoff pentode combination for signal-amplifier service.
- Base
- 9DZ
- Socket
- B9A
- Heater
- 4.7 V
- Sections
- 2
5BE8 Pentode-Triode
5BE8 voltage triode pentode electronic tube specifications and datasheets.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 4.7 V
- Sections
- 2
5CM8 Pentode-Triode
High-mu triode plus sharp-cutoff pentode, heater variant of the 6CM8.
- Base
- 9DZ
- Socket
- B9A
- Heater
- 4.7 V
- Sections
- 2
5CR8 Pentode-Triode
Triode-pentode for television intermediate-frequency amplifier service.
- Base
- 9DA
- Socket
- B9A
- Heater
- 4.7 V
- Sections
- 2
5DH8 Pentode-Triode
Sharp-cutoff pentode and high-mu triode for television video-IF and detector/amplifier service.
- Base
- 9EG
- Socket
- B9A
- Heater
- 5.2 V
- Sections
- 2
5GH8 Pentode-Triode
Combined medium-mu triode and sharp-cutoff pentode for television horizontal oscillator, multivibrator, frequency-control, and related amplifier circuits.
- Base
- 9AE
- Socket
- B9A
- Heater
- 4.7 V
- Sections
- 2
5GH8A Pentode-Triode
Combined medium-mu triode and sharp-cutoff pentode for television horizontal oscillator, multivibrator, frequency-control, and related amplifier circuits.
- Base
- 9AE
- Socket
- B9A
- Heater
- 4.7 V
- Sections
- 2
5JW8 Pentode-Triode
Combined medium-mu triode and sharp-cutoff pentode for television horizontal oscillator, multivibrator, frequency-control, and related amplifier circuits.
- Base
- 9AE
- Socket
- B9A
- Heater
- 4.7 V
- Sections
- 2
5MB8 Pentode-Triode
Frame-grid triode-pentode for color television, using the triode as a video amplifier and pentode as a burst amplifier.
- Base
- 9FA
- Socket
- B9A
- Heater
- 5.6 V
- Sections
- 2
5MQ8 Pentode-Triode
Triode-pentode for color and monochrome television band-pass, video, sync, color-killer, matrix, and blanking circuits.
- Base
- 9FA
- Socket
- B9A
- Heater
- 5.6 V
- Sections
- 2
5U9 Pentode-Triode
5U9 voltage triode pentode electronic tube specifications and datasheets.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 5.9 V
- Sections
- 2
5X9 Pentode-Triode
5X9 voltage triode pentode electronic tube specifications and datasheets.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 5.9 V
- Sections
- 2
6AB8 Pentode-Triode
Common-cathode triode plus power pentode for television frame time-base, sync-separator, and audio-output service.
- Base
- DAT
- Socket
- B9A
- Heater
- 6.3 V
- Sections
- 2
6AD7G Pentode-Triode
Triode plus power-amplifier pentode intended for Class-A amplification and output service.
- Base
- 8AY
- Socket
- IO
- Heater
- 6.3 V
- Sections
- 2
6AG9 Pentode-Triode
Combined triode-pentode for television video, IF, AGC, sync, burst, band-pass, or related signal-processing stages.
- Base
- E12
- Socket
- B12C
- Heater
- 6.3 V
- Sections
- 2
6AH9 Pentode-Triode
Compactron frame-grid sharp-cutoff video pentode plus medium-mu triode for color-television video and blanking applications.
- Base
- E12-70
- Socket
- B12C
- Heater
- 6.3 V
- Sections
- 2