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

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5908 vacuum tube outline illustration

Tube-number record

5908

0 archive entries

5908 is a tube type in the TubeDatabase archive (class: Sharp cutoff, dual control pentode). Recorded specifications: brand Sylvania, construction Pentode, socket Subminiature, and maximum plate voltage 55 V. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassSharp cutoff, dual control pentode
BaseSubminiature
Filament26.5 V @ 150 mA

Construction

Primary TypePentode
EnvelopeT3
Sectionssingle

Filament / Heater

Heater NotesOperates from a 26.5 volt heater and B supply

Absolute Maximum Ratings

Plate Voltage55 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Amplifier26.5 V220031000—3.3 mA
Mixer26.5 V—65000—2.1 mA

Application Notes

Particularly useful as a mixer at frequencies up to 400 mc, but may also be used in gating and other applications at low frequencies. Developed for operation under severe shock, vibration, and high temperature conditions.

Datasheets

Datasheet: 5908.pdf

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

Filters

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Manufacturers

Brands

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    Grid 2 Voltage55 V
    Grid 1 Voltage-55 V
    Cathode Current10 mA
    H-C Voltage100 V

    Audio Performance

    Key Features
    • Premium Subminiature
    • Sharp cutoff dual control pentode
    • Reliable operation under severe shock and vibration
    • Operates from 26.5V supply
    • Mixer service up to 400 mc