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

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7701 vacuum tube outline illustration

Tube-number record

7701

0 archive entries

7701 is a tube type in the TubeDatabase archive (class: Beam Power Pentode). Recorded specifications: brand General Electric, construction Beam tetrode / beam power, socket Noval (B9A), maximum plate voltage 350 V, and maximum plate dissipation 9 W. The archive does not yet hold a photographed example of this type.

BrandGeneral Electric
ClassBeam Power Pentode
BaseNoval (B9A)
Filament13.6 V @ 160 mA

Construction

Primary TypeBeam tetrode / beam power
EnvelopeT-6 1/2
Sections1

Filament / Heater

Heater NotesAllowable limits: 12V minimum to 15V maximum

Absolute Maximum Ratings

Plate Voltage350 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Average Characteristics250 V360031000—28 mA

Datasheets

Datasheet: 7701.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 Dissipation9 W
    Grid 2 Voltage300 V
    Grid 1 Voltage-150 V
    H-C Voltage100 V

    Audio Performance

    Key Features
    • Miniature beam-power pentode
    • RF Class C radio-frequency power-amplifier
    • Frequency-multiplier service
    • Coated Unipotential Cathode