Tube-number record
11GP4
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BrandRCA
ClassPicture Tube
BaseCRT base (B7 family)
Filament6.3 V @ 450 mA
Construction
Primary TypeDisplay / CRT
EnvelopeFilterglass
Base MaterialGlass
SectionsSingle
Filament / Heater
Warm-up Time11s
Heater NotesVoltage range 5.7V to 6.9V
Absolute Maximum Ratings
Plate Voltage15000 V
Grid 2 Voltage250 V
Grid 1 Voltage-155 V
H-C Voltage450 V
Audio Performance
Key Features
- Filled-Rim Type
- 110° Magnetic Deflection
- Aluminized Phosphor
- No Ion-Trap Magnet Required
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode-Drive Service | 11000 V | — | — | — | — |
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