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

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4682 vacuum tube outline illustration

Tube-number record

4682

0 archive entries

4682 is a tube type in the TubeDatabase archive (class: Output Pentode). Recorded specifications: brand Philips Miniwatt, construction Pentode, maximum plate voltage 375 V, and maximum plate dissipation 9 W. The archive does not yet hold a photographed example of this type.

BrandPhilips Miniwatt
ClassOutput Pentode
Filament4 V @ 1000 mA

Construction

Primary TypePentode
Envelopeglass
Sections1

Filament / Heater

Heater NotesIndirect heating, parallel supply

Absolute Maximum Ratings

Plate Voltage375 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class B375 V———40 mA
Class AB375 V———48 mA

Application Notes

Operating conditions for push-pull class B and class AB provided.

Datasheets

Datasheet: 4682.pdf

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

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    Plate Dissipation9 W
    Grid 2 Voltage250 V
    Grid 1 Voltage-1.3 V
    Cathode Current50 mA
    H-C Voltage50 V

    Audio Performance

    Typical THD1.5%
    Power Output19 W
    Key Features
    • Indirectly heated
    • Parallel supply
    • Push-pull operation