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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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8/52 HM vacuum tube outline illustration

Tube-number record

8/52 HM

0 archive entries

8/52 HM is a tube type in the TubeDatabase archive (class: Radar Display Tube). Recorded specifications: brand FERRANTI, year 1958, construction Display / CRT, base Glass, socket Noval (B9A), and maximum plate voltage 15000 V. The archive does not yet hold a photographed example of this type.

BrandFERRANTI
ClassRadar Display Tube
BaseNoval (B9A)
Filament6.3 V @ 0.3 mA

Construction

Primary TypeDisplay / CRT
EnvelopeRectangular 8in Screen
Base MaterialGlass
Sections1

Filament / Heater

Heater NotesIndirectly heated

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Radar Display12000 V————

Filters

0 tubes found

Manufacturers

Brands

    0 results
    Plate Voltage15000 V
    Grid 2 Voltage400 V
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Miniaturised
    • Metal backed screen
    • Low voltage focus
    • Rectangular screen