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

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Tube-number record

ML-8443

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BrandMachlett
ClassDirect View Storage Tube
BaseSpecial / none
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
Envelope5-1/8 inch diameter
SectionsOn-axis flood gun, On-axis high-resolution tetrode write gun

Filament / Heater

Heater NotesFlood gun heater current is 600 mA +/- 10%; Write gun heater current is 300 mA +/- 10%.

Absolute Maximum Ratings

Plate Voltage6500 V
Grid 2 Voltage300 V
Grid 1 Voltage-30 V

Audio Performance

Key Features
  • Bright visual displays of half-tone images
  • Short, compact design
  • Optional integral magnetic shield
  • On-axis high-resolution tetrode write gun

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Viewing Section6500 V————
Writing Section2500 V————

Application Notes

Designed primarily for airborne radar applications.

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