TA 18/100000
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BrandPhilips
ClassTransmitting Tube
Construction
Primary TypeTriode
EnvelopeGlass/Metal
SectionsSingle
Filament / Heater
MaterialTungsten
Absolute Maximum Ratings
Plate Voltage18000 V
Plate Dissipation70000 W
Audio Performance
Key Features
- Water cooled anode (80 liters per minute)
- High power output up to 130 kW
- Suitable for wavelengths down to 150 m
- No air cooling required for grid or filament poles
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Telegraphy | 18000V | 20000 | 2250 | 45 | 10500mA |
| Telegraphy | 15000V | - | - | - | 10000mA |
| Amplifier Class B (100% Modulation) | 18000V | - | - | - | 5600mA |
Application Notes
Specifically designed for the final stage of large radio broadcast transmitters.
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