Tube-number record
11BP4
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BrandGeneral Electric
ClassCathode Ray Tube
BaseCRT base (B7 family)
Filament6.3 V @ 450 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesHeater warm-up time: 11 seconds
Absolute Maximum Ratings
Plate Voltage15000 V
Grid 2 Voltage250 V
H-C Voltage200 V
Audio Performance
Key Features
- Electrostatic Focus
- Magnetic Deflection
- Aluminized Screen
- Non Ion Trap Gun
- Spherical Gray Faceplate
- External Conductive Coating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode-Drive Service | 11000 V | — | — | — | 0.15 mA |
Application Notes
The 11BP4 is designed for operation at an intermediate Grid no. 2 voltage for use in cathode drive circuits. High light output is achieved via aluminized screen.
Datasheets
Datasheet: 11BP4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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