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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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COAXIAL TRIODE vacuum tube outline illustration

Tube-number record

COAXIAL TRIODE

0 archive entries

COAXIAL TRIODE is a tube type in the TubeDatabase archive (class: Transmitting Tube). Recorded specifications: brand Philips, construction Triode, base Metal, socket Coaxial, maximum plate voltage 5500 V, and maximum plate dissipation 10000 W. The archive does not yet hold a photographed example of this type.

BrandPhilips
ClassTransmitting Tube
BaseCoaxial

Construction

Primary TypeTriode
EnvelopeGlass/Metal
Base MaterialMetal
SectionsSingle

Filament / Heater

Materialthoriated tungsten

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
H.F. class C telegraphy, grounded grid5000 V60000—604800 mA
H.F. class B telephony (television service, CCIR/FCC)5000 V60000——4800 mA

Application Notes

Specifically designed for use in A.M., F.M. and television transmitters. Suitable for grounded-grid operation up to 220 MHz.

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Manufacturers

Brands

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    Plate Voltage5500 V
    Plate Dissipation10000 W
    Grid 1 Voltage-500 V
    Cathode Current6000 mA

    Audio Performance

    Key Features
    • Thoriated tungsten filament
    • Directly heated
    • Forced air cooling
    • Coaxial electrode arrangement