Power - Pentode (NOT beam) vacuum tubes

Diode-Diode-Pentode

Combination valve incorporating a power-output pentode with diode or triode sections for audio-frequency amplification, detection, or driver service.

Base

LOCTAL 8-P

Socket

B8G

Heater

6.3 V

Sections

3

Diode-Diode-Pentode

Combination valve incorporating a power-output pentode with diode or triode sections for audio-frequency amplification, detection, or driver service.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

3

Diode-Diode-Pentode

Combination valve incorporating a power-output pentode with diode or triode sections for audio-frequency amplification, detection, or driver service.

Base

Not recorded

Socket

B8G

Heater

6.3 V

Sections

3

Pentode-Triode

Combination valve incorporating a power-output pentode with diode or triode sections for audio-frequency amplification, detection, or driver service.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

2

Pentode-Triode

Triode-pentode designed for television sync separation, amplification, and power-output service.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Combination valve incorporating a power-output pentode with diode or triode sections for audio-frequency amplification, detection, or driver service.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Combination valve incorporating a power-output pentode with diode or triode sections for audio-frequency amplification, detection, or driver service.

Base

9C12

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Combination valve incorporating a power-output pentode with diode or triode sections for audio-frequency amplification, detection, or driver service.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Triode

Combination valve incorporating a power-output pentode with diode or triode sections for audio-frequency amplification, detection, or driver service.

Base

9LZ

Socket

B9A

Heater

6.3 V

Sections

2

Pentode-Pentode-Triode

Combination tube integrating a phase-inverter triode with two power pentodes for push-pull audio power amplification, delivering approximately 9.2 watts in published operation.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

3

Pentode

Power/output pentode designed for audio-frequency power amplification in single-ended or push-pull output stages.

Base

Not recorded

Socket

Y8A

Heater

6.3 V

Sections

1

Pentode

Power/output pentode designed for audio-frequency power amplification in single-ended or push-pull output stages.

Base

Not recorded

Socket

Y8A

Heater

6.3 V

Sections

1

Pentode

Power/output pentode designed for audio-frequency power amplification in single-ended or push-pull output stages.

Base

Not recorded

Socket

Y8A

Heater

6.3 V

Sections

1

Pentode

Power/output pentode designed for audio-frequency power amplification in single-ended or push-pull output stages.

Base

Not recorded

Socket

Y8A

Heater

6.3 V

Sections

1

Pentode

Power/output pentode designed for audio-frequency power amplification in single-ended or push-pull output stages.

Base

Not recorded

Socket

Y8A

Heater

6.3 V

Sections

1

Pentode

Radiation-cooled 85-watt transmitting pentode designed for short-wave and VHF RF power service, also usable for audio-frequency amplification.

Base

Not recorded

Socket

B5

Heater

6.3 V

Sections

1

Pentode

High-power 50 W output pentode for demanding audio amplifiers and high-output push-pull Class AB stages.

Base

Not recorded

Socket

B5

Heater

6.3 V

Sections

1

Pentode

High-transconductance power pentode for television video and other wideband output-amplifier stages.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

Receiving-type power pentode for conventional audio-frequency output amplification.

Base

SideContact

Socket

P8A

Heater

6.3 V

Sections

1

Pentode

Power pentode for receiving-set audio output, providing conventional loudspeaker-driving capability.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Rugged long-life power pentode for audio modulation, RF, and single-sideband linear amplification.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

25 W output pentode for high-power push-pull audio amplifiers and power-triode driver stages.

Base

Octal

Socket

IO

Heater

6.3 V

Sections

1

Pentode

Classic high-power EL34 output pentode for substantial single-ended and push-pull audio amplification.

Base

Octal

Socket

IO

Heater

6.3 V

Sections

1

Pentode

EL34-family output pentode for high-fidelity and musical-instrument power amplifiers.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

1

Pentode

Modern EL34-family output pentode for high-fidelity and other audio power amplifiers.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

1

Pentode

Audio-frequency EL34-family output pentode for conventional power-amplifier service.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

1

Pentode

EL34-family output pentode for high-fidelity single-ended and push-pull audio power amplification.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Specialized pentode for radar scanning, series-regulator, and pulse-modulator applications rather than ordinary audio output.

Base

Octal

Socket

IO

Heater

6.3 V

Sections

1

Pentode

EL36_MULLARD power - pentode (not beam) electronic tube specifications and datasheets.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

25 W output pentode for high-power push-pull audio amplifiers and large power-triode driver stages.

Base

Octal

Socket

IO

Heater

6.3 V

Sections

1

Pentode

Indirectly heated output pentode for conventional Class A audio-frequency power amplification.

Base

Not recorded

Socket

P8A

Heater

6.1 V

Sections

1

Pentode

High-sensitivity receiving power pentode with approximately 18 W plate dissipation for substantial audio output.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

High-transconductance power pentode for sensitive, high-current audio-frequency output stages.

Base

9C18

Socket

B9D

Heater

6.3 V

Sections

1

Pentode

EL506 power - pentode (not beam) electronic tube specifications and datasheets.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Philips audio power pentode designed for substantial single-ended Class A output around 8 W.

Base

Not recorded

Socket

P8A

Heater

6.3 V

Sections

1

Pentode

Philips power output pentode for audio-frequency service around a 250 V operating point.

Base

Not recorded

Socket

B9G

Heater

6.3 V

Sections

1

Pentode

High-current wideband output pentode providing substantial current at comparatively low plate voltage.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

Very-high-transconductance power pentode for television video-frequency output amplification.

Base

9C12

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

High-transconductance audio power pentode for low-voltage output stages, with push-pull output around 12.5 W.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

High-transconductance video-output power pentode designed particularly for high-definition television equipment. Its substantial mutual conductance and output capability support wideband video load drive.

Base

B9A

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

High-transconductance video-output power pentode designed for television service. Its power-capable wideband construction provides the current and voltage swing required by demanding video-output stages.

Base

B9A

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

Power pentode designed for audio-frequency output amplification. Widely used in compact high-fidelity and receiver output stages, it provides substantial Class-A or push-pull audio power from miniature construction.

Base

B9A

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

Power pentode designed for low-frequency amplifier output stages. Its miniature construction provides conventional audio power amplification for receivers and other AF equipment.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Pentode-Pentode

Twin audio power pentode containing two matched output sections for stereo, two-channel, or push-pull amplifier circuits. It integrates two independent power-output pentodes in one envelope.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

2

Pentode

Pentode designed for output, amplifier, or modulator service. Philips documentation provides electrical ratings, heater data, operating limits, and characteristics supporting power-capable signal and modulation applications.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Pentode

Philips power pentode documented in manufacturer valve-table data with published operating and characteristic values. Its ratings support output-stage service rather than ordinary small-signal amplification.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Pentode

Pentode designed for output, amplifier, or modulator service. Manufacturer data provide heater ratings, operating limits, and electrical characteristics for power-capable amplification and modulation.

Base

Not recorded

Socket

Not recorded

Heater

7.5 V

Sections

1

Pentode

Pentode intended for output, amplifier, or modulator service. Philips documentation supplies electrical ratings and operating limits supporting power-capable signal and modulation applications.

Base

Not recorded

Socket

Not recorded

Heater

7.5 V

Sections

1