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

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
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Tube-number record

3JP-A

0 archive entries

BrandDu Mont
ClassCathode-Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 600 mA

Construction

Primary TypeElectrostatic Focus and Deflection
EnvelopeJ26
Base MaterialMedium Shell Diheptal
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage2000 V
Plate Dissipation6 W
Grid 1 Voltage-200 V
H-C Voltage180 V

Audio Performance

Key Features
  • Electrostatic focus
  • Electrostatic deflection
  • Low pattern distortion
  • Close controlled tolerances

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
3000V Post Accelerator1500 V————
4000V Post Accelerator2000 V————

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