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AF31-10

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BrandMullard
ClassRadar Tube
BaseB12A
Filament6.3V @ 300mA

Construction

Primary TypeCathode Ray Tube
EnvelopeGlass with 12-in metal-backed screen
SectionsSingle

Filament / Heater

Heater NotesSuitable for series or parallel operation

Absolute Maximum Ratings

Plate Voltage18000 V
Grid 2 Voltage500 V
Grid 1 Voltage-200 V
H-C Voltage150 V

Audio Performance

Key Features
  • Metal-backed screen
  • Magnesium fluoride screen
  • Low voltage electrostatic focusing
  • Orange afterglow

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Radar Operation12000V---0.015mA

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