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

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7694 vacuum tube outline illustration

Tube-number record

7694

0 archive entries

7694 is a tube type in the TubeDatabase archive (class: Pentode). Recorded specifications: brand Amperex Electronic Corporation, construction Pentode, base Glass, socket Miniature 7-pin (B7G), maximum plate voltage 330 V, and maximum plate dissipation 2.3 W. The archive does not yet hold a photographed example of this type.

BrandAmperex Electronic Corporation
ClassPentode
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 150 mA

Construction

Primary TypePentode
EnvelopeT5 1/2
Base MaterialGlass
SectionsSingle

Filament / Heater

Heater NotesHeater voltage variations of ±20% allowed during short periods.

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A250 V38001000000259.2 mA

Application Notes

Circuit operation with cathode bias is recommended. Tube life and reliability will be enhanced by operation at lower temperature.

Datasheets

Datasheet: 7694.pdf

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

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Manufacturers

Brands

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    Plate Voltage330 V
    Plate Dissipation2.3 W
    Grid 2 Voltage600 V
    Grid 1 Voltage-35 V
    Cathode Current17 mA
    H-C Voltage100 V

    Audio Performance

    Key Features
    • Shock and vibration resistant
    • Special quality
    • Variable transconductance
    • Mobile equipment optimized