
Tube-number record
RS 1081
0 archive entries
RS 1081 is a tube type in the TubeDatabase archive (class: Transmitting Triode). Recorded specifications: brand SIEMENS, year 1962, construction Triode, base Metal, socket Special / none, maximum plate voltage 15000 V, and maximum plate dissipation 45000 W. The archive does not yet hold a photographed example of this type.
BrandSIEMENS
ClassTransmitting Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeMetal/Glass
Base MaterialMetal
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage15000 V
Plate Dissipation45000 W
Grid 1 Voltage-1000 V
Cathode Current8000 mA
Audio Performance
Key Features
- Thoriated tungsten filament
- Disk-shaped grid lead-through
- Industrial HF generator oscillator
- AF amplifier and modulator suitability
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| HF Amplifier B-Mode | 12000 V | 35000 | — | 45 | 5450 mA |
| HF Amplifier C-Mode | 12000 V | 35000 | — | 45 | 4600 mA |
| Oscillator (Industrial) | 12000 V | 35000 | — | 45 | 4200 mA |
Application Notes
The tube can be operated up to 10 MHz with 15 kV and up to 30 MHz with 12 kV. Cooling requirements: 16 m3/min air for variant L, water cooling for variant W, or vaporization cooling for variant V.
0 results