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

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Tube-number record

23KP4

0 archive entries

BrandGeneral Electric
ClassCathode Ray Tube
BaseCRT base (B7 family)
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
Envelope23 Inch Rectangular
Sections1

Filament / Heater

Warm-up Time11s
Heater NotesHeater Voltage Range: 5.7 to 6.9 V

Absolute Maximum Ratings

Plate Voltage29000 V
Grid 2 Voltage700 V
Grid 1 Voltage-140 V
H-C Voltage180 V

Audio Performance

Key Features
  • Aluminized Screen
  • Electrostatic Focus
  • Magnetic Deflection
  • Non-ion trap gun
  • External Conductive Coating

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical16500 V————

Application Notes

Protective resistance in Grid No. 2 and focusing electrical circuits is advisable to prevent damage to tube.

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