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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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D12-120GH/115 vacuum tube outline illustration

Tube-number record

D12-120GH/115

0 archive entries

D12-120GH/115 is a tube type in the TubeDatabase archive (class: Instrument Cathode-Ray Tube). Recorded specifications: construction Display / CRT, base Glass, socket 14-pin all-glass, and maximum plate voltage 11000 V. The archive does not yet hold a photographed example of this type.

ClassInstrument Cathode-Ray Tube
Base14-pin all-glass
Filament6.3 V @ 100 mA

Construction

Primary TypeDisplay / CRT
Envelope12 cm diagonal rectangular flat-faced
Base MaterialGlass
SectionsSingle beam

Filament / Heater

Heater NotesIndirect by AC or DC; Not to be connected in series with other tubes.

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Standard operation10000 V————

Application Notes

The tube has a rotation coil (1000 turns, max 150 Ohms) for alignment of the x-trace with the graticule. Low impedance deflection plate drive is desirable for full deflection capabilities.

Filters

0 tubes found

Manufacturers

Brands

    0 results
    Plate Voltage11000 V
    Grid 2 Voltage2200 V
    Grid 1 Voltage200 V
    H-C Voltage100 V

    Audio Performance

    Key Features
    • Metal-backed screen
    • Internal graticule
    • Mesh
    • Electrostatic focusing
    • Double electrostatic deflection