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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

7AGP

0 archive entries

7AGP is a tube type in the TubeDatabase archive (class: Cathode-Ray Tube). Recorded specifications: brand Allen B. Du Mont Laboratories, Inc., construction Display / CRT, socket Magnal, maximum plate voltage 10000 V, and maximum plate dissipation 6 W. The archive does not yet hold a photographed example of this type.

BrandAllen B. Du Mont Laboratories, Inc.
ClassCathode-Ray Tube
BaseMagnal
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
EnvelopeGrey Glass
SectionsSingle-beam

Filament / Heater

Absolute Maximum Ratings

Plate Voltage10000 V
Plate Dissipation6 W

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Standard (8kV Accelerator)8000 V————

Application Notes

The P19 and P12 screens can be permanently damaged if the current density is permitted to rise too high. To prevent burning, minimum beam current densities should be employed.

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Manufacturers

Brands

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    Grid 2 Voltage3500 V
    Grid 1 Voltage-300 V
    H-C Voltage180 V

    Audio Performance

    Key Features
    • Electrostatic focus
    • Electrostatic deflection
    • Linear acceleration system
    • Grey glass faceplate
    • Metal backing of screen
    • High accuracy pattern reproduction