Tube-number record
SENDETRIODE
0 archive entries
SENDETRIODE is a tube type in the TubeDatabase archive (class: Transmitting Power Triode). Recorded specifications: brand Siemens, year 1960, construction Triode, base Metal, maximum plate voltage 15000 V, and maximum plate dissipation 180000 W. The archive does not yet hold a photographed example of this type.
BrandSiemens
ClassTransmitting Power Triode
Construction
Primary TypeTriode
EnvelopeMetal-Ceramic
Base MaterialMetal
Sections1
Filament / Heater
MaterialWolfram, thoriert
Absolute Maximum Ratings
Plate Voltage15000 V
Plate Dissipation180000 W
Grid 1 Voltage-1200 V
Cathode Current40000 mA
Audio Performance
Key Features
- Water cooling (W version)
- Evaporative cooling (K version)
- Thoriated tungsten cathode
- Disk grid feedthrough
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Amplifier Class B, Kathodenbasisschaltung (10 MHz) | 15000 V | 130000 | 423 | 55 | 24800 mA |
Application Notes
High power output stages in transmitters. Suitable for RF amplification, oscillation, AF amplification, and modulation.
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