Tube-number record
5759
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BrandAmperex
ClassForced Air Cooled Triode
Construction
Primary TypeTriode
EnvelopeGlass/Metal
Sections1
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage3750 V
Plate Dissipation1000 W
Grid 1 Voltage-750 V
Cathode Current1000 mA
Audio Performance
Power Output4700 W
Key Features
- Forced Air Cooled
- Thoriated Tungsten Filament
- Radiator Down Mounting
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| General | — | 10000 | — | 25 | 1000 mA |
| Class B Audio (2 tubes) | 3500 V | — | — | — | 1800 mA |
| Class C Telegraphy | 3500 V | — | — | — | 880 mA |
Application Notes
Forced air cooling required. Starting current must never exceed 36 amps.
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