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

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Tube-number record

6218

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6218 is a tube type in the TubeDatabase archive (class: Modulated Beam Deflection Tube). Recorded specifications: brand Rogers Majestic Electronics Limited, construction Beam tetrode / beam power, base Glass, socket Special / none, and maximum plate voltage 533 V. The archive does not yet hold a photographed example of this type.

BrandRogers Majestic Electronics Limited
ClassModulated Beam Deflection Tube
BaseSpecial / none
Filament6.5 V @ 156 mA

Construction

Primary TypeBeam tetrode / beam power
EnvelopeT6-1/2
Base MaterialGlass

Filament / Heater

Heater NotesUnipotential cathode

Absolute Maximum Ratings

Plate Voltage533 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Pulse generation100 V————

Application Notes

Mounting position any, but must not be subjected to magnetic fields.

Datasheets

Datasheet: 6218.pdf

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

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    Cathode Current5.5 mA
    H-C Voltage50 V

    Audio Performance

    Key Features
    • Reliable miniature tube
    • Designed to withstand severe shock
    • Modulated beam deflection for pulse generation
    • Skirted miniature top cap C1-2