RK 12 SS1
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BrandPhilips Valvo
ClassCathode Ray Tube
BaseCustom CRT base with guide pin and brass screw
Filament12.6V @ 320mA
Construction
Primary TypeElectrostatic CRT
EnvelopeGlass
Base MaterialSpecial
SectionsSingle
Filament / Heater
Heater NotesIndirect heating
Absolute Maximum Ratings
Plate Voltage2000 V
Grid 1 Voltage-35 V
Audio Performance
Key Features
- Electrostatic focus
- Electrostatic deflection
- Green light spot
- Large screen diameter (16.5 cm)
- Symmetrical deflection plates
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Minimum Voltage Operation | 1000V | - | - | - | - |
| Maximum Voltage Operation | 2000V | - | - | - | - |
Application Notes
The grid voltage must never be positive. The focus voltage (a1) should be adjusted for the smallest spot diameter. Symmetrical deflection is required for the plates.
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