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9NP1

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BrandResearch Enterprises, Ltd.
ClassCathode Ray Tube
BaseMedium 6-pin bakelite
Filament2.5V @ 2100mA

Construction

Primary TypeElectrostatic focus and deflection
EnvelopeJ7202
Base MaterialBakelite
SectionsSingle gun monochrome

Filament / Heater

Heater NotesHeater current: 2.1 A +/- 15%

Absolute Maximum Ratings

Plate Voltage5500 V
H-C Voltage125 V

Audio Performance

Key Features
  • Electrostatic focusing
  • Electrostatic deflection
  • P1 phosphor
  • 6BN Basing
  • Five external bulb caps

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation-----

Application Notes

Anode #2 voltage should not be less than 3000 volts for adequate brilliance and definition. Cathode should be connected to the mid-point or one side of the heater supply.

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