TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

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

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
DisclaimerSubmit a tube

Tube-number record

21/04HB

0 archive entries

BrandFERRANTI
ClassRadar Display Tube
BaseDuodecal
Filament6.3 V @ 300 mA

Construction

Primary TypeDisplay / CRT
EnvelopeMetal backed
Base MaterialBI2A
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage18000 V
Grid 2 Voltage500 V
Grid 1 Voltage-80 V
H-C Voltage200 V

Audio Performance

Key Features
  • Metal backed screen
  • External conductive coating
  • 90° Deflection
  • Magnetic Focus
  • Magnetic Deflection

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Radar Display16000 V————

Application Notes

Designed primarily for use as a Radar Display Tube. The tube has an external conductive coating which may be used for E.H.T. smoothing. Ion trap magnet is not required.

Filters

0 tubes found

Manufacturers

Brands

    0 results