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

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6867 vacuum tube outline illustration

Tube-number record

6867

0 archive entries

6867 is a tube type in the TubeDatabase archive (class: Traveling Wave Tube). Recorded specifications: brand Federal Telephone and Radio Company, construction Other / special, socket Duodecal, maximum plate voltage 1500 V, and maximum plate dissipation 25 W. The archive does not yet hold a photographed example of this type.

BrandFederal Telephone and Radio Company
ClassTraveling Wave Tube
BaseDuodecal
Filament6.3 V @ 850 mA

Construction

Primary TypeOther / special
EnvelopeMetal
SectionsSingle

Filament / Heater

Heater NotesUnipotential oxide coated cathode

Absolute Maximum Ratings

Plate Voltage1500 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Intermediate Power Amplifier1400 V———8 mA

Application Notes

The focussing electrode voltage is adjusted for maximum beam transmission. The tube must not be operated without the magnetic field applied to avoid damage.

Datasheets

Datasheet: 6867.pdf

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

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    Plate Dissipation25 W
    Grid 2 Voltage1600 V
    Grid 1 Voltage-250 V

    Audio Performance

    Power Output0.1 W
    Key Features
    • Helical type wave propagating structure
    • Forced air cooled
    • Integral matching circuit
    • CW service
    • Metal envelope