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

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6597 vacuum tube outline illustration

Tube-number record

6597

0 archive entries

6597 is a tube type in the TubeDatabase archive (class: TR Tube). Recorded specifications: brand Bomac Laboratories, Inc., construction Other / special, socket Waveguide, and maximum plate dissipation 250 W. The archive does not yet hold a photographed example of this type.

BrandBomac Laboratories, Inc.
ClassTR Tube
BaseWaveguide
Filament6 V @ 600 mA

Construction

Primary TypeOther / special
EnvelopeIntegral Cavity
SectionsCombined shutter and broad-band TR tube

Filament / Heater

Heater NotesShutter circuit voltage (nom) 6V (ac-dc); Pull-in current 600 mA DC or 470 mA AC; Holding current 220 mA DC

Absolute Maximum Ratings

Plate Dissipation

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Ignitor operation375 V———0.1 mA

Application Notes

The shutters are not intended for applications involving switching of peak power greater than one kilowatt. Rating applies only when shutters are fully open or closed.

Datasheets

Datasheet: 6597.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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    250 W
    Cathode Current0.2 mA

    Audio Performance

    Key Features
    • Broad-band TR tube (1B63A)
    • Shutter mechanism provides protection of receiver crystal
    • Integral Cavity type
    • Operational band 8490 to 9578 Mc/s