Tube-number record
4LP1
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BrandETEL (Electronic Tubes Ltd)
ClassCathode Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 550 mA
Construction
Primary TypeDisplay / CRT
Envelope4-inch diameter flat screen
SectionsDual trace
Filament / Heater
Heater NotesIndirectly heated; suitable for parallel operation only
Absolute Maximum Ratings
Plate Voltage8000 V
Plate Dissipation3 W
Grid 2 Voltage1200 V
Grid 1 Voltage-200 V
H-C Voltage250 V
Audio Performance
Key Features
- Independent y signal deflections
- Post deflection accelerator (PDA)
- 4-in. diameter flat screen
- Side connections for deflection plates
- Beam trap on x' plate
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 3000 V | — | — | — | 0.1 mA |
Application Notes
The tube is designed for symmetrical operation in the x direction and asymmetrical in the y direction. Incorporates a beam trap on the x' plate for pulse or single stroke displays.
Datasheets
Datasheet: 4LP1.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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