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

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4657 vacuum tube outline illustration

Tube-number record

4657

0 archive entries

4657 is a tube type in the TubeDatabase archive (class: L.F. amplifier triode). Recorded specifications: brand Philips, construction Triode, maximum plate voltage 200 V, and maximum plate dissipation 1.5 W. The archive does not yet hold a photographed example of this type.

BrandPhilips
ClassL.F. amplifier triode
Filament4 V @ 1 mA

Construction

Primary TypeTriode
EnvelopeGlass
Sections1

Filament / Heater

Heater NotesIndirect, A.C. or D.C., parallel supply

Absolute Maximum Ratings

Plate Voltage200 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
LF amplifier200 V220045000993 mA

Application Notes

Triode for use as Low Frequency amplifier.

Datasheets

Datasheet: 4657.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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    Plate Dissipation1.5 W
    Grid 1 Voltage-1.3 V
    Cathode Current15 mA
    H-C Voltage50 V

    Audio Performance

    Key Features
    • Indirect heating
    • A.C. or D.C. supply
    • Parallel supply