Tube-number record
L14-131GH/55
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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
SectionsSplit-beam writing gun, dual viewing guns
Filament / Heater
Heater NotesWriting section: 6.3V/300mA. Viewing section: dual 6.3V/300mA heaters.
Absolute Maximum Ratings
Plate Voltage9500 V
Grid 2 Voltage2000 V
Grid 1 Voltage-200 V
H-C Voltage125 V
Audio Performance
Key Features
- Split-beam writing gun
- Variable persistence
- Internal graticule
- Metal-backed phosphor
- Direct-view storage
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Writing Gun | 8500 V | — | — | — | — |
| Viewing Gun | 7050 V | — | — | — | 0.4 mA |
Application Notes
Intended for oscilloscope applications. Scanned raster can be aligned with internal graticule by means of correction coils fitted around the tube.
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