3X12500A3
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BrandEimac
ClassTransmitting Triode
Construction
Primary TypeTriode
EnvelopeExternal Anode
Sections1
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage6000 V
Plate Dissipation12500 W
Cathode Current8000 mA
Audio Performance
Key Features
- Medium-mu
- Forced-air cooled
- External anode
- Multi-unit design
- Thoriated tungsten filament
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class-C Grounded-Grid (110 Mc) | 3700V | 80000 | - | 20 | 7400mA |
| Class-C Grounded-Filament (3500V Operation) | 3500V | - | - | 20 | 7200mA |
| Class-C Grounded-Filament (4000V Operation) | 4000V | - | - | 20 | 6400mA |
| Class-C Grounded-Filament (5000V Operation) | 5000V | - | - | 20 | 8000mA |
Application Notes
Specifically suitable for vhf region operation as well as lower frequencies. Designed for high power at low plate voltage.
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