7CP18
0 Tubes in archive
BrandPhilco
ClassCathode Ray Tube
BaseOctal
Filament6.3V @ 600mA
Construction
Primary TypeCRT
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage8000 V
Grid 2 Voltage300 V
Grid 1 Voltage-125 V
H-C Voltage125 V
Audio Performance
Key Features
- Electrostatic focus
- Magnetic deflection
- White fluorescence
- White phosphorescence
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Condition 1 | 4000V | - | - | - | - |
| Condition 2 | 7000V | - | - | - | - |
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