Tube-number record
19EKP4
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BrandRauland
ClassCathode Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 450 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular Glass
Sections1
Filament / Heater
Warm-up Time11s
Absolute Maximum Ratings
Plate Voltage19800 V
Grid 2 Voltage55 V
H-C Voltage180 V
Audio Performance
Key Features
- Aluminized Screen
- Gray Filter Glass
- Rim Implosion protection
- Electrostatic Focus
- Magnetic Deflection
- No Ion Trap
- Low G2 Voltage
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode Drive Service | 16000 V | — | — | — | 0.15 mA |
Application Notes
Individual tubes will have satisfactory focus at some value between 0 and 500 volts. Visual extinction of focused raster occurs with cathode voltage 35 to 50 Volts DC relative to Grid 1.
Datasheets
Datasheet: 19EKP4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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