Tube-number record
T 500-1
0 archive entries
T 500-1 is a tube type in the TubeDatabase archive (class: Radiation-Cooled Triode). Recorded specifications: brand Brown Boveri, year 1971, construction Triode, socket 5-pin, maximum plate voltage 4000 V, and maximum plate dissipation 450 W. The archive does not yet hold a photographed example of this type.
BrandBrown Boveri
ClassRadiation-Cooled Triode
Base5-pin
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage4000 V
Plate Dissipation450 W
Grid 1 Voltage-500 V
Cathode Current650 mA
Audio Performance
Power Output2440 W
Key Features
- Thoriated tungsten cathode
- Directly heated
- Radiation cooled
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C RF Amplifier unmodulated | 4000 V | 4500 | — | 28 | 535 mA |
| Class B AF Power Amplifier (2 tubes) | 3500 V | — | — | — | 884 mA |
Application Notes
Industrial applications and communication. Class B AF and Class C RF amplifier/oscillator.
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