Tube-number record
11CP4
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BrandRCA
ClassPicture Tube
BaseCRT base (B7 family)
Filament6.3 V @ 450 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic
Sections1
Filament / Heater
Heater NotesHeater warm-up time 11 seconds (average)
Absolute Maximum Ratings
Plate Voltage15000 V
Grid 2 Voltage550 V
Grid 1 Voltage-155 V
H-C Voltage300 V
Audio Performance
Key Features
- Magnetic Deflection
- Low-voltage Electrostatic Focus
- Aluminized Screen
- No Ion-Trap Magnet required
- Filterglass Faceplate
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid-Drive Service | 12000 V | — | — | — | — |
Application Notes
Pan-O-Ply type picture tube with 110-degree magnetic deflection and electrostatic focus.
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