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

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EHA.2500 vacuum tube outline illustration

Tube-number record

EHA.2500

0 archive entries

EHA.2500 is a tube type in the TubeDatabase archive (class: Forced Air Cooled Triode). Recorded specifications: brand EDISWAN, year 1948, construction Triode, socket Special / none, maximum plate voltage 7500 V, and maximum plate dissipation 2500 W. The archive does not yet hold a photographed example of this type.

BrandEDISWAN
ClassForced Air Cooled Triode
BaseSpecial / none

Construction

Primary TypeTriode
EnvelopeGlass/Metal Radiator
Sections1

Filament / Heater

MaterialTungsten (assumed)

Absolute Maximum Ratings

Plate Voltage7500 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
RF Amplifier / Oscillator7000 V55001000055400 mA

Application Notes

The design minimises lead Inductance, particularly suitable for H.F. applications. Anode is fitted with a special radiator and cooling is obtained by forced air.

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    Plate Dissipation2500 W
    Cathode Current4500 mA

    Audio Performance

    Key Features
    • Forced Air Cooling
    • Low Lead Inductance
    • Special Anode Radiator