Tube-number record
D14-380GH/93
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D14-380GH/93 is a tube type in the TubeDatabase archive (class: Instrument Cathode-Ray Tube). Recorded specifications: construction Display / CRT, base Glass, socket CRT base (B12 family), and maximum plate voltage 18000 V. The archive does not yet hold a photographed example of this type.
ClassInstrument Cathode-Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 240 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialGlass
Sections1
Filament / Heater
Heater NotesIndirect heating; heating time approx. 5 s
Absolute Maximum Ratings
Plate Voltage18000 V
Grid 2 Voltage2500 V
Grid 1 Voltage-200 V
H-C Voltage125 V
Audio Performance
Key Features
- 14 cm diagonal rectangular flat face
- domed mesh post-deflection acceleration
- internal magnetic lens system
- quick-heating cathode
- side contacts to deflection plates
- internal graticule type 93
- high sensitivity
- high brightness
- short overall length
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical condition | 16500 V | — | — | — | 0.01 mA |
Application Notes
For compact oscilloscopes with up to 150 MHz bandwidth. Tube features internal magnetic correction for orthogonality, astigmatism, and eccentricity.
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