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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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1878 vacuum tube outline illustration

Tube-number record

1878

0 archive entries

1878 is a tube type in the TubeDatabase archive (class: High voltage half-wave rectifier). Recorded specifications: construction Vacuum, socket Screw / Edison base, and maximum plate voltage 10500 V. The archive does not yet hold a photographed example of this type.

ClassHigh voltage half-wave rectifier
BaseScrew / Edison base
Filament4 V @ 700 mA

Construction

Primary TypeVacuum
Rectifier TypeHalf-wave
EnvelopeGlass
Sections1

Filament / Heater

Heater NotesIndirect by A.C.

Absolute Maximum Ratings

Application Notes

High vacuum half-wave rectifying valve designed for high voltage applications.

Datasheets

Datasheet: 1878.pdf

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

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    Plate Voltage10500 V
    Cathode Current2 mA

    Audio Performance

    Key Features
    • High vacuum
    • High voltage
    • Indirect heating