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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

22JP22

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BrandRCA
ClassColor Picture Tube
BaseCRT base (B12 family)
Filament6.3 V @ 900 mA

Construction

Primary TypeOther / special
EnvelopeRectangular Filterglass
Sections3 Guns (Red, Blue, Green)

Filament / Heater

Heater NotesSeries connected heaters within tube; standby voltage 5.5V

Absolute Maximum Ratings

Plate Voltage27500 V
Grid 2 Voltage1000 V
Grid 1 Voltage-400 V
Cathode Current1 mA
H-C Voltage200 V

Audio Performance

Key Features
  • PERMA-CHROME Assembly
  • Rare-Earth Red Phosphor
  • Integral Filterglass Protective Window
  • Bipotential Focus Lens
  • Electrostatic Focus
  • Magnetic Deflection

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Design25000 V———1 mA

Application Notes

Shielding for X-radiation may be needed due to high anode voltage. Operated with tube axis horizontal and blue gun uppermost.

Filters

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