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

Other (3,151 tube types), Pre (2,370 tube types), Power (1,057 tube types), Rectifier (763 tube types)
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Tube-number record

4KP

0 archive entries

BrandElectronic Tube Corporation
ClassCathode-ray tube
BaseDuodecal
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
EnvelopeGlass
SectionsSingle gun

Filament / Heater

Absolute Maximum Ratings

Plate Voltage2500 V
Grid 1 Voltage-200 V
H-C Voltage180 V

Audio Performance

Key Features
  • Short 3-1/2 square face
  • Very high sensitivity
  • Low pattern distortion
  • Negligible focusing electrode current

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation1500 V————

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