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

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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D18-120 GH vacuum tube outline illustration

Tube-number record

D18-120 GH

0 archive entries

D18-120 GH is a tube type in the TubeDatabase archive (class: Instrument Cathode-Ray Tube). Recorded specifications: brand Philips, construction Display / CRT, socket 14-pin all-glass, and maximum plate voltage 11000 V. The archive does not yet hold a photographed example of this type.

BrandPhilips
ClassInstrument Cathode-Ray Tube
Base14-pin all-glass
Filament6.3 V @ 300 mA

Construction

Primary TypeDisplay / CRT
EnvelopeRectangular flat faced
Sectionsmesh and metal backed screen

Filament / Heater

Heater NotesIndirect by A.C. or D.C.; parallel supply

Absolute Maximum Ratings

Plate Voltage11000 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operating Conditions10000 V————

Filters

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Manufacturers

Brands

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    Grid 2 Voltage2200 V
    Grid 1 Voltage-200 V
    H-C Voltage125 V

    Audio Performance

    Key Features
    • Metal backed phosphor
    • Green color
    • Medium short persistence
    • Double electrostatic deflection