CAT 6
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BrandMarconi
ClassTriode
BaseVertical mounting in water jacket
Construction
Primary TypeTriode
EnvelopeAnode part of envelope, water cooled
Base MaterialCopper / Glass
SectionsSingle
Filament / Heater
MaterialTungsten
Absolute Maximum Ratings
Plate Voltage12000 V
Plate Dissipation12000 W
Audio Performance
Key Features
- Water-cooled anode
- Tungsten filament
- High power HF transmission
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| HF Power Amplifier and Oscillator Class C Telegraphy | 12000V | 8000 | 5000 | 40 | 2600mA |
| HF Power Amplifier and Oscillator Class C Telegraphy | 10000V | 8000 | 5000 | 40 | 2500mA |
| HF Power Amplifier and Oscillator Class C Telegraphy | 8000V | 8000 | 5000 | 40 | 2400mA |
| HF Power Amplifier Class C Anode Modulated | 10000V | 8000 | 5000 | 40 | 1050mA |
| HF Power Amplifier Class B Telephony | 12000V |
Application Notes
Cooling must be started before any supply voltages. Seasoning is required for valves idle for 2 months or longer. Reduction of filament voltage is recommended for standby periods exceeding 15 minutes.
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