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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

7MP-

0 archive entries

7MP- is a tube type in the TubeDatabase archive (class: Cathode-ray Tube). Recorded specifications: brand Du Mont, construction Display / CRT, base Plastic (Small Shell Duodecal), socket Duodecal, maximum plate voltage 8000 V, and maximum plate dissipation 6 W. The archive does not yet hold a photographed example of this type.

BrandDu Mont
ClassCathode-ray Tube
BaseDuodecal
Filament6.3 V @ 0.6 mA

Construction

Primary TypeDisplay / CRT
Envelope7-3/16 inch Bulb
Base MaterialPlastic (Small Shell Duodecal)
SectionsSingle beam

Filament / Heater

Heater NotesCurrent tolerance +/- 10%

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation 14000 V———0.2 mA
Typical Operation 27000 V————

Application Notes

Primarily designed for radar indicator and other applications requiring a long persistence screen.

Filters

0 tubes found

Manufacturers

Brands

    0 results
    Plate Voltage8000 V
    Plate Dissipation6 W
    Grid 2 Voltage700 V
    Grid 1 Voltage-180 V
    H-C Voltage125 V

    Audio Performance

    Key Features
    • Magnetically focused
    • Magnetically deflected
    • Large flat screen area
    • Long persistence screen