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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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Tube-number record

D7-222GH

0 archive entries

D7-222GH is a tube type in the TubeDatabase archive (class: Instrument Cathode-Ray Tube). Recorded specifications: brand Philips, construction Display / CRT, base Glass, socket CRT base (B12 family), and maximum plate voltage 2200 V. The archive does not yet hold a photographed example of this type.

BrandPhilips
ClassInstrument Cathode-Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 240 mA

Construction

Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialGlass
SectionsSingle

Filament / Heater

Heater NotesIndirect heating; parallel supply

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
standard1000 V———0.01 mA

Application Notes

Primarily intended for use in inexpensive oscilloscopes and monitoring devices. Features a 1.5 W cathode.

Filters

0 tubes found

Manufacturers

Brands

    0 results
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    Audio Performance

    Key Features
    • Short warm-up time
    • Quick-heating cathode
    • Metal-backed phosphor
    • Electrostatic focusing
    • Double electrostatic deflection