Tube-number record
RS 533
0 archive entries
BrandTelefunken
ClassTriode
BaseCoaxial
Construction
Primary TypeTriode
EnvelopeGlass/Metal
Base MaterialMetal
SectionsSingle
Filament / Heater
MaterialWolfram thoriert
Absolute Maximum Ratings
Plate Voltage10000 V
Plate Dissipation7000 W
Grid 1 Voltage-900 V
Cathode Current4000 mA
Audio Performance
Key Features
- Water-cooled
- Thoriated tungsten cathode
- Directly heated
- Grid ring lead-through
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| HF-Verstärkung, B-Betrieb | 10000 V | 33000 | — | 33 | 1600 mA |
| HF-Verstärkung, C-Betrieb | 10000 V | 33000 | — | 33 | 1500 mA |
| Anodenspannungsmodulation | 6500 V | — | — | — |
Application Notes
Used in MW, KW transmitters and industrial generators.
0 results