Tube-number record
D12-120GH/115
0 archive entries
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
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
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard operation | 10000 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.
0 results