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Tube-number record

31C12

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BrandAssociated Electrical Industries Limited (AEI)
ClassCathode-ray Tube
BaseDuodecal
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
Envelope6 inch diameter flat face
SectionsElectrostatically focused, magnetically deflected

Filament / Heater

Absolute Maximum Ratings

Plate Voltage14000 V
Grid 2 Voltage700 V
H-C Voltage180 V

Audio Performance

Key Features
  • Aluminised
  • Electrostatically focused
  • Magnetically deflected
  • Long persistence trace

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Standard focus condition12000 V———0.05 mA

Application Notes

Intended for use in Radio DF Compass equipment.

Datasheets

Datasheet: 31C12.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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