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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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DG 7-31/01 vacuum tube outline illustration

Tube-number record

DG 7-31/01

0 archive entries

DG 7-31/01 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand Philips, construction Display / CRT, socket Duodecal, maximum plate voltage 800 V, and maximum plate dissipation 0.5 W. The archive does not yet hold a photographed example of this type.

BrandPhilips
ClassCathode Ray Tube
BaseDuodecal
Filament6.3 V @ 300 mA

Construction

Primary TypeDisplay / CRT
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater NotesIndirectly heated; A.C. or D.C.; series or parallel supply

Absolute Maximum Ratings

Plate Voltage800 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Oscilloscope500 V———0.0005 mA

Application Notes

D2 has to be connected to (g2+g4). The conductive layer makes possible application with (g2,g4) at high potential with respect to earth without distortion risk when touching the face.

Filters

0 tubes found

Manufacturers

Brands

    0 results
    Plate Dissipation0.5 W
    Grid 2 Voltage800 V
    Grid 1 Voltage-160 V
    H-C Voltage125 V

    Audio Performance

    Key Features
    • Low voltage
    • Electrostatic focusing
    • Double electrostatic deflection
    • Symmetric Y deflection
    • Asymmetric X deflection
    • Transparent conductive layer between glass and screen