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

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6703 vacuum tube outline illustration

Tube-number record

6703

0 archive entries

6703 is a tube type in the TubeDatabase archive (class: Magnetron Beam Switching Tube). Recorded specifications: brand Burroughs Corporation, construction Beam tetrode / beam power, base Mica filled panel, socket 6-pin, maximum plate voltage 300 V, and maximum plate dissipation 1 W. The archive does not yet hold a photographed example of this type.

BrandBurroughs Corporation
ClassMagnetron Beam Switching Tube
Base6-pin
Filament6.3 V @ 300 mA

Construction

Primary TypeBeam tetrode / beam power
EnvelopeGlass with Magnet Shield
Base MaterialMica filled panel
Sections10

Filament / Heater

Heater NotesAC or DC

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Standard Test Conditions100 V———6.5 mA

Application Notes

The tube is a constant current device. Switching grids are connected into even and odd sets. To avoid stress, clamp the magnetic shield rather than the base.

Datasheets

Datasheet: 6703.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 Voltage300 V
    Plate Dissipation1 W
    Grid 2 Voltage200 V
    Grid 1 Voltage200 V
    H-C Voltage180 V

    Audio Performance

    Key Features
    • High vacuum
    • Ten output
    • Magnetically shielded
    • Constant current device
    • Pentode type output characteristics