Tube-number record
D 13-15 GL
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BrandPhilips
ClassCathode Ray Tube
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage4000 V
Audio Performance
Key Features
- Thin metal-backing to prevent screen charging
- Low-voltage version of D 13-21 GP
- Electrostatic deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Nominal Screen Voltage | 4000 V | — | — | — | — |
| Minimum Screen Voltage | 2500 V | — | — | — | — |
Application Notes
The D 13-15 is a low-voltage version of the D 13-21 GP. It features a thin aluminum metal backing (approx 0.03 micron) and is designed for nominal operation at 4 kV. The cross-over point is located at the minimum screen voltage of 2.5 kV.
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