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

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Tube-number record

12AMP-

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BrandAllen B. Du Mont Laboratories, Inc.
ClassCathode-Ray Tube
BaseDuodecal
Filament6.3 V @ 0.6 mA

Construction

Primary TypeElectrostatic Focus and Deflection
Envelope12 7/16-inch diameter bulb
Base Material6-Pin Duodecal
SectionsSingle beam

Filament / Heater

Heater NotesHeater current tolerance +/- 10%

Absolute Maximum Ratings

Plate Voltage8500 V
Plate Dissipation6 W
H-C Voltage180 V

Audio Performance

Key Features
  • Fast writing rate
  • Electrostatic focus
  • Electrostatic deflection
  • Aluminized screen
  • Post acceleration
  • Low-drive electron gun

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Cathode Drive5650 V————

Application Notes

Suitable for high speed radar displays. The use of post acceleration allows maximum deflection sensitivity with high overall accelerating voltages.

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