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

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6605 vacuum tube outline illustration

Tube-number record

6605

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6605 is a tube type in the TubeDatabase archive (class: Pre-TR Tube). Recorded specifications: brand Bomac Laboratories, Inc., construction Other / special, socket Waveguide, and maximum plate dissipation 2000 W. The archive does not yet hold a photographed example of this type.

BrandBomac Laboratories, Inc.
ClassPre-TR Tube
BaseWaveguide

Construction

Primary TypeOther / special
EnvelopeQuarter wave section of waveguide with low Q windows
Sections1

Filament / Heater

Absolute Maximum Ratings

Plate Dissipation2000 W

Audio Performance

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Gas Switching—————

Application Notes

When fired, the gas discharge spreads across the input window, providing attenuation to reduce harmonic magnetron frequencies.

Datasheets

Datasheet: 6605.pdf

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

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    Key Features
    • Prevents crystal burnout resulting from magnetron sparking
    • Low Q windows
    • Supplements standard TR tubes at high power levels