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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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ESU8008 vacuum tube outline illustration

Tube-number record

ESU8008

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ESU8008 is a tube type in the TubeDatabase archive (class: Half Wave Mercury Vapour Rectifier). Recorded specifications: brand Ediswan, construction Mercury Vapour, socket Jumbo, and maximum plate voltage 10000 V. The archive does not yet hold a photographed example of this type.

BrandEdiswan
ClassHalf Wave Mercury Vapour Rectifier
BaseJumbo

Construction

Primary TypeMercury Vapour
Rectifier TypeHalf Wave
EnvelopeGlass

Filament / Heater

Warm-up Time60s

Absolute Maximum Ratings

Plate Voltage10000 V

Application Notes

When first placed in service, operate filament at normal voltage for 15 minutes without anode voltage. Mount vertically in well-ventilated position. Mercury vapour condensation temperature should not exceed 60°C. Filament must reach full operating temperature before anode voltage is applied.

Datasheets

Datasheet: ESU8008.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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    Cathode Current1250 mA

    Audio Performance

    Key Features
    • Directly heated
    • High peak inverse voltage
    • Low applied conduction voltage
    • Super Jumbo base
    • Top cap anode connection