Electronic tube type
Power - Pentode (NOT beam) vacuum tubes
Power - Pentode (NOT beam) records in Tube Tinker cover 396 tube designations, including 1,397 preserved original datasheets. Compare bases, sockets, heater requirements, construction, exact variations, and directional replacement options.
- Tube records
- 396
- Original datasheets
- 1,397
- Variation families
- 42
- Tubes with alternatives
- 91
About Power - Pentode (NOT beam) tubes
Tubes of this type must a power pentode section which takes priority. The max plate watt rating must be over 10 watts and less than 100 watts. Qualification also says that this tube did NOT qualify as "HorizontalSweep" or "VerticalSweep"
Electrical range
- Nominal heater voltage
- 0.625–60 V
- Nominal heater current
- 0.01–9 A
Common power - pentode (not beam) characteristics
These are the most frequently recorded attributes among tubes in this category.
Bases
- 5J21
- 9DX8
- 7S7
- B9A6
- Octal6
- 5E4
- Subminiature4
- 5B3
Sockets
- B9A82
- IO47
- B7G18
- B514
- P8A13
- B5D11
- B8G9
- M7A8
Constructions
- Pentode325
- Pentode-Triode38
- Diode-Diode-Pentode16
- Pentode-Pentode13
- BeamPower-Pentode1
- Diode-Pentode1
- Pentode-Pentode-Triode1
- Pentode-Rectifier1
Power - Pentode (NOT beam) tube list
Page 4 of 9
6P15P Pentode
Russian output pentode designed for amplification of video-frequency output voltage in television equipment.
- Base
- Not recorded
- Socket
- B9A
- Heater
- 6.3 V
- Sections
- 1
6P18P Pentode
Power/output pentode designed for low-frequency or audio-frequency output amplification.
- Base
- Not recorded
- Socket
- B9A
- Heater
- 6.3 V
- Sections
- 1
6P30B Pentode
Power/output pentode designed for low-frequency or audio-frequency output amplification.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
6P33P Pentode
Power/output pentode designed for low-frequency or audio-frequency output amplification.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
6P38P Pentode
Power pentode designed for radio-frequency amplification, oscillation, modulation, or frequency-multiplier service.
- Base
- Not recorded
- Socket
- B9A
- Heater
- 6.3 V
- Sections
- 1
6P42S Pentode
High-current Russian pentode designed for demanding pulse and control service, with ampere-class short-duration plate-current capability.
- Base
- Not recorded
- Socket
- IO
- Heater
- 5.7 V
- Sections
- 1
6P47S Pentode
Power/output pentode designed for low-frequency or audio-frequency output amplification.
- Base
- Not recorded
- Socket
- IO
- Heater
- 5.7 V
- Sections
- 1
6P6 Pentode
Power pentode designed for radio-frequency amplification, oscillation, modulation, or frequency-multiplier service.
- Base
- Not recorded
- Socket
- UX6
- Heater
- Not recorded
- Sections
- 1
6T9 Pentode-Triode
Combination high-mu triode and power pentode for audio-frequency circuits, with the pentode serving as the output power amplifier.
- Base
- EIA 12FM
- Socket
- B12C
- Heater
- 6.3 V
- Sections
- 2
7320 Pentode
Power/output pentode designed for low-frequency or audio-frequency output amplification.
- Base
- Not recorded
- Socket
- B9A
- Heater
- 6.3 V
- Sections
- 1
7591S Pentode
Power/output pentode designed for low-frequency or audio-frequency output amplification.
- Base
- Not recorded
- Socket
- IO
- Heater
- 6.3 V
- Sections
- 1
7751 Pentode
Rugged long-life power pentode for high-current switching, regulated-supply pass service, and high-power push-pull operation.
- Base
- Octal / 7AC
- Socket
- IO
- Heater
- 6.3 V
- Sections
- 1
7A2 Pentode
Power/output pentode designed for low-frequency or audio-frequency output amplification.
- Base
- Not recorded
- Socket
- IO
- Heater
- 4 V
- Sections
- 1
7A3 Pentode
Power/output pentode designed for low-frequency or audio-frequency output amplification.
- Base
- Not recorded
- Socket
- IO
- Heater
- 4 V
- Sections
- 1
7B5E Pentode
Power/output pentode designed for low-frequency or audio-frequency output amplification.
- Base
- 6AE
- Socket
- B8G
- Heater
- 6.3 V
- Sections
- 1
7D3 Pentode
Series-string audio power pentode with a 40 V heater and published output operation around 135–160 V.
- Base
- Not recorded
- Socket
- M7A
- Heater
- 40 V
- Sections
- 1
7D5 Pentode
Audio power pentode with a 13 V heater, providing approximately 3.5 W output at a 250 V operating point.
- Base
- Not recorded
- Socket
- M7A
- Heater
- 13 V
- Sections
- 1
7D6 Pentode
High-slope series-heater audio power pentode providing approximately 3.75 W output.
- Base
- Not recorded
- Socket
- M7A
- Heater
- 40 V
- Sections
- 1
7D8 Pentode
High-slope audio power pentode with approximately 10 mA/V transconductance and 3.75 W published output.
- Base
- Not recorded
- Socket
- M7A
- Heater
- 13 V
- Sections
- 1
802 Pentode
Versatile transmitting power pentode for AF modulation and RF amplification or oscillation to approximately 80 MHz.
- Base
- Not recorded
- Socket
- MEDIUM7
- Heater
- 6.3 V
- Sections
- 1
804 Pentode
Thoriated-tungsten RF power pentode for amplifier and oscillator service to approximately 15 MHz.
- Base
- Not recorded
- Socket
- UX4
- Heater
- 7.5 V
- Sections
- 1
8233 Pentode
Double-frame-grid power pentode for video, pulse, and deflection amplification in radar, television, microwave, and measurement equipment.
- Base
- Not recorded
- Socket
- B9D
- Heater
- 6.3 V
- Sections
- 1
837 Pentode
Heater-cathode transmitting pentode for RF power-amplifier and oscillator service.
- Base
- Not recorded
- Socket
- B7G
- Heater
- 12.6 V
- Sections
- 1
8608 Pentode
Premium frame-grid power pentode for professional wideband video, pulse, and instrumentation amplification.
- Base
- E9-23
- Socket
- B9A
- Heater
- 6.3 V
- Sections
- 1
89 Pentode
Three-grid audio power-amplifier tube usable in pentode or triode connection for Class A and Class B service.
- Base
- 6F
- Socket
- UX6
- Heater
- 6.3 V
- Sections
- 1
8BQ5 Pentode
Series-heater EL84-class audio power pentode for compact consumer output stages.
- Base
- 9CV
- Socket
- B9A
- Heater
- 8 V
- Sections
- 1
8CX8 Pentode-Triode
Triode/pentode combination for television video, sound-IF, sweep-oscillator, and synchronization circuitry.
- Base
- 9DX
- Socket
- B9A
- Heater
- 8 V
- Sections
- 2
8EB8 Pentode-Triode
Triode/pentode television signal-processing tube for sync, sound-IF, phase-inverter, and video-amplifier service.
- Base
- NOVAL
- Socket
- B9A
- Heater
- 8 V
- Sections
- 2
8GN8 Pentode-Triode
Triode/pentode combination for television video, sound-IF, synchronization, and phase-inverter circuits.
- Base
- NOVAL
- Socket
- B9A
- Heater
- 8 V
- Sections
- 2
8JE8 Pentode-Triode
Dissimilar triode/pentode for color-television sync separation, voltage amplification, and video amplification.
- Base
- Not recorded
- Socket
- B9A
- Heater
- 8.2 V
- Sections
- 2
8KR8 Pentode-Triode
Triode/pentode television signal processor with a 20 mS video pentode and triode for sync or sound-IF service.
- Base
- Not recorded
- Socket
- B9A
- Heater
- 8 V
- Sections
- 2
950 Pentode
Two-volt directly heated battery power pentode equivalent to 1J5G, providing approximately 0.45 W audio output.
- Base
- 5K
- Socket
- B5
- Heater
- 2 V
- Sections
- 1
9BM5 Pentode
300 mA series-heater audio power pentode, co-designated with 9P9, for transformerless receiver output stages.
- Base
- 7BZ
- Socket
- B7G
- Heater
- 9.5 V
- Sections
- 1
9KX6 Pentode
Frame-grid sharp-cutoff pentode specifically for high-current video-output amplification in color and monochrome televisions.
- Base
- 9GK
- Socket
- B9A
- Heater
- 8.7 V
- Sections
- 1
9LA6 Pentode
9LA6 power - pentode (not beam) electronic tube specifications and datasheets.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 8.7 V
- Sections
- 1
9P9 Pentode
300 mA series-heater power pentode for audio-frequency output amplification in transformerless equipment.
- Base
- Not recorded
- Socket
- B9A
- Heater
- 9.5 V
- Sections
- 1
ABL1 Diode-Pentode
Four-volt double-diode/power-pentode combination integrating radio detection with approximately 4.3 W audio output.
- Base
- P35
- Socket
- P8A
- Heater
- 4 V
- Sections
- 2
AC2PEN Pentode
Mazda indirectly heated AC-mains output pentode designed for receiver power-output service. Manufacturer documentation provides ratings, characteristics, and application guidance for conventional low-frequency load-driving operation.
- Base
- Not recorded
- Socket
- M7A
- Heater
- 4 V
- Sections
- 1
AC2PENDD Diode-Diode-Pentode
Mazda combination tube containing two detector/AVC diodes and an indirectly heated output pentode on a common cathode sleeve. It integrates radio detection, automatic-volume-control, and audio power-output functions.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 4 V
- Sections
- 3
AL5 Pentode
Four-volt high-sensitivity power pentode with manufacturer-published output characteristics. Its comparatively high sensitivity permits useful audio power with reduced drive voltage.
- Base
- P35
- Socket
- P8A
- Heater
- 4 V
- Sections
- 1
AS1000 Pentode
German directly heated triode valve with published operating data; available source material does not establish a narrower functional role confidently.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
AX9308 Pentode
Five-electrode power tube designed for RF power amplification, oscillation, and audio-frequency amplification. It uses a radiation-cooled anode and indirectly heated coated cathode for general power service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
B2043 Pentode
Philips power pentode documented in manufacturer valve-table data. Published ratings and operating characteristics establish output-stage capability, although surviving application wording is limited.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 20 V
- Sections
- 1
B543 Pentode
Philips directly heated output pentode with screen-grid operation, using a 5 V, 0.10 A filament and typical 200 V anode operation. Designed for receiver power-output service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 5 V
- Sections
- 1
CBL1 Diode-Diode-Pentode
Combined tube containing an output pentode and two detector diodes for AC/DC receiver service. It integrates radio detection and control functions with several watts of audio power output.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 44 V
- Sections
- 3
CBL31 Diode-Diode-Pentode
High-sensitivity output pentode combined with two diode sections for mains-operated receiver equipment. Manufacturer data include audio output, distortion, load, and limiting ratings for the power section.
- Base
- Not recorded
- Socket
- IO
- Heater
- 44 V
- Sections
- 3
CBL6 Diode-Diode-Pentode
Philips double-diode output-pentode combination tube. Two detector/control diodes share the envelope with a power pentode, integrating receiver detection functions and audio output.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 44 V
- Sections
- 3
CK520AX Pentode
Directly heated Raytheon subminiature power-amplifier pentode using a 0.625 V, 50 mA filament and typical 45 V plate operation. Intended for very-low-voltage portable output service.
- Base
- 5J
- Socket
- Not recorded
- Heater
- 0.625 V
- Sections
- 1
