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

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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Tube-number record

3AGP-

0 archive entries

3AGP- is a tube type in the TubeDatabase archive (class: Cathode-Ray Tube). Recorded specifications: brand Allen B. Du Mont Laboratories, Inc., construction Electrostatic Focus, Magnetic Deflection, socket CRT / special base, and maximum plate voltage 9000 V. The archive does not yet hold a photographed example of this type.

BrandAllen B. Du Mont Laboratories, Inc.
ClassCathode-Ray Tube
BaseCRT / special base
Filament6.3 V @ 300 mA

Construction

Primary TypeElectrostatic Focus, Magnetic Deflection
EnvelopeJ1-25 bulb contact
SectionsSingle

Filament / Heater

Heater NotesLow current heater

Absolute Maximum Ratings

Plate Voltage9000 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Radar Applications7000 V———0.1 mA

Application Notes

The Type 3AGP- is a 3-inch cathode-ray tube suitable for radar applications in miniaturized equipment. An aluminized screen is used for greater light output and to minimize charging effects.

Filters

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Manufacturers

Brands

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    Grid 2 Voltage770 V
    Grid 1 Voltage-180 V
    H-C Voltage180 V

    Audio Performance

    Key Features
    • Electrostatic focus
    • Magnetic deflection
    • Aluminized screen
    • Short overall length
    • Small diameter neck
    • Miniature base