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

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Tube-number record

7CP18

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BrandPhilco
ClassCathode Ray Tube
BaseOctal
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater NotesIndirectly heated

Absolute Maximum Ratings

Plate Voltage8000 V
Grid 2 Voltage300 V
Grid 1 Voltage-125 V
H-C Voltage125 V

Audio Performance

Key Features
  • Electrostatic focus
  • Magnetic deflection
  • White fluorescence
  • White phosphorescence

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Condition 14000 V————
Condition 27000 V————

Datasheets

Datasheet: 7CP18.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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