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

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Tube-number record

19-114° CATHODE RAY TUBE

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BrandNational Video Corporation
ClassCathode Ray Tube
BaseCRT base (B7 family)
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
EnvelopeJ-149-Al
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage23000 V
Grid 2 Voltage550 V
Grid 1 Voltage-154 V
H-C Voltage200 V

Audio Performance

Key Features
  • Electrostatic focus
  • Magnetic deflection
  • Metal backed screen
  • Straight gun (no ion trap)
  • Aluminized P4 phosphor

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Grid Drive Service20000 V————

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