Tube-number record
RS 1043 CV
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BrandSiemens
ClassTransmitter Triode
BaseCoaxial
Construction
Primary TypeTriode
EnvelopeMetal-Ceramic
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage13000 V
Plate Dissipation180000 W
Grid 1 Voltage-1200 V
Cathode Current30000 mA
Audio Performance
Power Output450000 W
Key Features
- Coaxial metal-ceramic construction
- Vapor-cooled
- Suitable for broadcast transmitters up to 200 kW
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Anode voltage modulation, grounded cathode circuit | 12500 V | 135000 | — | 55 | 21000 mA |
| Anode voltage modulation, grounded cathode circuit (Alternative) | 11000 V | 135000 | — | 55 | 19000 mA |
| AF amplifier and modulator, class B, push-pull | 12000 V | — | — | 55 | 26000 mA |
Application Notes
Axis vertical, anode down. Requires sufficient air flow for terminal side cooling. Maximum surface temperature 220°C.
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