Tube-number record
BR/BW/BY1161
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Brande2v technologies
ClassRF Power Triode
Construction
Primary TypeTriode
EnvelopeGlass and Metal
SectionsSingle
Filament / Heater
Materialthoriated tungsten
Warm-up Time600s
Absolute Maximum Ratings
Plate Voltage14000 V
Plate Dissipation60000 W
Grid 1 Voltage-750 V
Cathode Current60000 mA
Audio Performance
Key Features
- Thoriated tungsten filament
- Forced air cooling (BR1161)
- Water separate water jacket cooling (BW1161)
- Vapour separate boiler unit cooling (BY1161)
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Power Amplifier Class C Telegraphy (BW1161/BY1161) | 14000 V | 60000 | — | 90 | 11300 mA |
| RF Power Amplifier Class C Telegraphy (BR1161) | 12000 V | 60000 | — | 90 | 11000 mA |
| RF Oscillator for Industrial Service (Class C) | 11400 V | 60000 | — |
Application Notes
Intended for transmitter and industrial heating service. Minimum air flow for filament and grid seals must be 10 m3/min.
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