Tube-number record
D14-120GH
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ClassInstrument Cathode-Ray Tube
Base14-pin all-glass
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular flat faced
Base MaterialGlass
SectionsSingle-beam
Filament / Heater
Heater NotesIndirect by AC or DC; parallel supply
Absolute Maximum Ratings
Plate Voltage11000 V
Plate Dissipation0.008 W
Grid 2 Voltage2200 V
Grid 1 Voltage200 V
H-C Voltage125 V
Audio Performance
Key Features
- Mesh
- Metal backed screen
- 14 cm diagonal
- Rectangular flat faced oscilloscope tube
- Electrostatic focusing
- Double electrostatic deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 10000 V | — | — | — | 0.01 mA |
Application Notes
The tube should not be supported by the base alone; under no circumstances should the socket be allowed to support the tube. If full deflection capabilities are used, plates will intercept part of the electron beam; low impedance drive is desirable.
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