3CX3000F1
0 Tubes in archive
BrandEimac
ClassTriode
BaseFlying leads
Construction
Primary TypePower Triode
EnvelopeMetal/Ceramic
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage6000 V
Plate Dissipation3000 W
Cathode Current2500 mA
Audio Performance
Power Output10000 W
Key Features
- Low-mu forced-air cooled power triode
- Audio amplifier or modulator
- Flying leads for filament and grid
- Thoriated tungsten filament
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class AB1 (Two Tubes) | 4000V | 11000 | - | 4.95 | 2750mA |
| Class AB1 (Two Tubes) | 5500V | 11000 | - | 4.95 | 2200mA |
Application Notes
Intended for use as an audio amplifier or modulator. Cooling must be provided to maintain seal temperature at 250°C or below. Filament voltage should not exceed 7.5V by more than 5%. Reduction to 7.2V enhances life.
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