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

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6646 vacuum tube outline illustration

Tube-number record

6646

0 archive entries

6646 is a tube type in the TubeDatabase archive (class: TR Tube). Recorded specifications: brand Bomac Laboratories, Inc., construction Dual broad-band gas switching tube, base Silver plate or equivalent, socket Waveguide, and maximum plate dissipation 100 W. The archive does not yet hold a photographed example of this type.

BrandBomac Laboratories, Inc.
ClassTR Tube
BaseWaveguide

Construction

Primary TypeDual broad-band gas switching tube
EnvelopeIntegral cavity with fixed tuned gaps
Base MaterialSilver plate or equivalent
SectionsTwo

Filament / Heater

Absolute Maximum Ratings

Plate Dissipation100 W

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Ignitor Operation200 V———0.1 mA

Application Notes

Designed to operate with suitable short-slot hybrid junctions to provide a balanced duplexer using RG-52/U size waveguide.

Datasheets

Datasheet: 6646.pdf

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

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    Cathode Current0.2 mA

    Audio Performance

    Key Features
    • Dual broad-band
    • Fixed tuned gaps
    • Integral cavity
    • Balanced duplexer