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

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Tube-number record

86D14

0 archive entries

86D14 is a tube type in the TubeDatabase archive (class: Instrument Cathode Ray Tube). Recorded specifications: brand Philips Elcoma, construction Display / CRT, base All glass, socket CRT base (B12 family), and maximum plate voltage 24000 V. The archive does not yet hold a photographed example of this type.

BrandPhilips Elcoma
ClassInstrument Cathode Ray Tube
BaseCRT base (B12 family)
Filament
6.3 V @ 240 mA

Construction

Primary TypeDisplay / CRT
EnvelopeFlat-faced with domed mesh
Base MaterialAll glass
SectionsSymmetrical helix deflection system

Filament / Heater

Heater NotesIndirect heating, quick heating, approx. 5s warm-up time

Absolute Maximum Ratings

Plate Voltage24000 V
Grid 2 Voltage3000 V
Grid 1 Voltage-125 V

Audio Performance

Key Features
  • Domed mesh
  • Internal graticule type 93
  • Quick heating cathode
  • Metal backed phosphor
  • Symmetrical deflection

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Instrument display24000 V————

Application Notes

Intended for oscilloscopes with up to 500 MHz bandwidth. Features high photographic writing speed.

Filters

0 tubes found

Manufacturers

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