Power - Triode vacuum tubes

Triode

Siemens transmitting power triode for professional RF amplifier and oscillator service. Approximately 320 W plate dissipation places it in the medium-power class for communications and industrial transmitting equipment.

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5 V

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Triode

Siemens very-high-power transmitting triode for major RF installations. Approximately 50 kW plate dissipation places it in large broadcast, communications, and industrial systems requiring tens of kilowatts of continuous power.

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Triode

Siemens transmitting triode for RF amplifier and oscillator service. Approximately 500 W plate dissipation provides substantial medium-power RF capability for professional communications and industrial equipment.

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Triode

Siemens high-power transmitting triode for operation through the HF range. Approximately 40 kW plate dissipation and exceptional transconductance provide very high current capability for major broadcast, communications, and industrial RF installations.

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18 V

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Triode

Water-cooled Siemens high-power transmitting triode for major RF service. Approximately 40 kW plate dissipation and very high transconductance provide substantial continuous transmitter power for large fixed communications and industrial systems.

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18 V

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Triode

The Siemens RS2011 is a transmitting triode developed especially for low-frequency power amplifiers and transmitter modulators. Available with air, water, or evaporative cooling, it supports substantial audio-frequency power handling. Its directly heated cathode and specialized electrode construction accommodate industrial and broadcast service.

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10 V

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Triode

Directly heated transmitting triode for radio-frequency and audio-frequency power service.

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3.8 V

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Triode

Directly heated Telefunken-derived transmitter and audio power triode suitable for Class A operation. Rated for approximately 17 W plate dissipation and 500 V plate voltage, with moderate gain and relatively low plate resistance.

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4 V

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Triode

German transmitting triode with published limiting ratings and operating data for RF service.

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Triode

German transmitting triode with published limiting ratings and operating data for RF service.

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Triode

High-power directly heated transmitting triode for radio-frequency power service.

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8.3 V

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Triode

Water-cooled 10-kW transmitting triode for high-power RF service.

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5 V

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Triode

Water-cooled 40-kW transmitting triode for communications and industrial RF service.

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17.5 V

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Triode

Forced-air-cooled 10-kW transmitting triode for high-power RF service.

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49 V

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Triode

Forced-air-cooled 20-kW transmitting triode for high-power RF service.

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49 V

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Triode

Forced-air-cooled 35 kW transmitting triode for VHF/HF transmitters and industrial RF generators.

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5 V

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Triode

Forced-air-cooled 40 kW transmitting triode for HF/MF transmitters and industrial RF generators.

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6.5 V

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Triode

Telefunken power-amplifier triode for low-frequency amplification and transmitter circuits. Rated for approximately 24 W plate dissipation, with published AC output around 2.5 W and low amplification factor favoring power-output service.

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7 V

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Triode

High-efficiency Telefunken power triode for low-frequency amplification. Rated for approximately 32 W plate dissipation and 800 V plate voltage, with published output around 8–10 W and low internal resistance.

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7 V

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Triode

Telefunken low-frequency power-amplifier triode developed as a higher-power successor to the RV218. Rated for approximately 32 W plate dissipation and 800 V plate voltage, with published audio output around 8.5 W.

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7 V

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Triode

Directly heated high-power receiving triode for low-frequency amplification and low-distortion loudspeaker output service.

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3.9 V

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Triode

The Radio-Watt RW1 is an early directly heated power triode developed for loudspeaker reception and low-frequency amplification. Its nickel plate, molybdenum grid, and supported V-shaped filament provide audio output capability. It was designed to reproduce received sound with relatively low distortion.

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3.8 V

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Triode

The Splendor S83 is an early directly heated audio output triode designed for radio receivers and loudspeaker operation. Its relatively high transconductance and low internal resistance support substantial audio amplification. The valve was marketed as a high-output receiving tube for driving multiple loudspeakers.

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Triode

Air-cooled directly heated transmitting triode for VHF and television communications service.

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21.5 V

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Triode

RF power transmitting triode for amplifier, oscillator, communications, broadcast, or industrial high-frequency generator service.

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5.3 V

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Triode

Radiation-cooled transmitting power triode for RF generators, communications, and electromedical equipment. Rated for approximately 900 W plate dissipation, providing substantial professional RF power without external liquid cooling.

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10 V

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Triode

Radiation-cooled high-power transmitting triode for communications and industrial RF generators. Rated for approximately 2.5 kW plate dissipation, providing substantial continuous RF power without an external liquid-cooling system.

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10 V

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Triode

RF power transmitting triode for amplifier, oscillator, communications, broadcast, or industrial high-frequency generator service.

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10 V

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Triode

Radiation-cooled 1 kW transmitting triode for communications, industrial RF generators, and electromedical equipment.

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10 V

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Triode

RF power transmitting triode for amplifier, oscillator, communications, broadcast, or industrial high-frequency generator service.

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6.3 V

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Triode

RF power transmitting triode for amplifier, oscillator, communications, broadcast, or industrial high-frequency generator service.

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10 V

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Triode

Svetlana reproduction of the classic directly heated 300B audio power triode. With about 40 W plate dissipation and low plate resistance, it is optimized for high-quality single-ended Class A audio output.

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5 V

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Triode

Svetlana thoriated-tungsten power triode for high-power audio and linear service. Rated around 1 kV and 125 W dissipation, its low amplification factor favors high-current transformer-coupled output stages.

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6.3 V

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Triode

High-mu Svetlana 572-family power triode for high-gain linear and audio power stages. With about 1 kV plate capability, 125 W dissipation, and amplification factor around 160, it combines strong gain with substantial power handling.

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6.3 V

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Triode

Svetlana low-mu directly heated audio power triode with thoriated-tungsten filament. Rated around 1 kV and 125 W dissipation, its very low amplification factor emphasizes high-current linear audio-output service.

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6.3 V

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Triode

Svetlana medium-mu 572-family power triode for audio and linear power amplification. With about 1 kV plate capability and 125 W dissipation, it balances useful voltage gain with substantial output capability.

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6.3 V

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Triode

Svetlana thoriated-tungsten 811-family power triode optimized for low-mu linear audio service. Rated around 800 V and 65 W dissipation, its characteristics suit high-current audio power stages.

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6.3 V

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Triode

Svetlana directly heated 811-family power triode for substantial linear audio service. With about 800 V plate capability, 65 W dissipation, and amplification factor near 9.5, it favors high-current output operation.

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6.3 V

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Triode

Very-low-mu Svetlana 811-family directly heated power triode. Rated around 800 V and 65 W dissipation, its amplification factor near 3.5 emphasizes high-current operation for specialized audio-output and linear power stages.

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6.3 V

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Triode

Svetlana very-low-mu thoriated-tungsten power triode for linear audio power service. With about 800 V capability and 65 W dissipation, it provides high-current operation with relatively low voltage gain.

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6.3 V

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Triode

Brown Boveri power triode explicitly intended for audio-frequency power-amplifier service. Rated around 100 W plate dissipation and 1.25 kV, it belongs with professional audio power triodes rather than RF transmitting types.

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Triode

Power transmitting triode intended for RF amplification, oscillation, modulation, or industrial RF service. Manufacturer documentation emphasizes professional radio-frequency operation and substantial power handling.

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7.5 V

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Triode

Power transmitting triode intended for RF amplification, oscillation, modulation, or industrial RF service. Manufacturer documentation emphasizes professional radio-frequency operation and substantial power handling.

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7.5 V

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Triode

Power transmitting triode intended for RF amplification, oscillation, modulation, or industrial RF service. Manufacturer documentation emphasizes professional radio-frequency operation and substantial power handling.

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Triode

Power transmitting triode intended for RF amplification, oscillation, modulation, or industrial RF service. Manufacturer documentation emphasizes professional radio-frequency operation and substantial power handling.

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Triode

High-frequency Taylor transmitting triode designed for substantial RF output through approximately 60 MHz. Rated around 55 W plate dissipation and 2.5 kV, it combines moderate plate voltage with practical grid-drive requirements.

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7.5 V

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Triode

RF power transmitting triode for amplifier, oscillator, communications, broadcast, or industrial high-frequency generator service.

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5.7 V

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Triode

RF power transmitting triode for amplifier, oscillator, communications, broadcast, or industrial high-frequency generator service.

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