Tube-number record
8242/3W5000A3
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BrandEimac
ClassPower Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeGlass/Metal (Water-cooled)
Base MaterialMetal
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage6000 V
Plate Dissipation5000 W
Cathode Current2500 mA
Audio Performance
Power Output13000 W
Key Features
- Water-cooled
- Medium-mu
- Thoriated tungsten filament
- Reserve anode dissipation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class-C FM or Telegraphy | 4000 V | 20000 | — | 20 | 2500 mA |
| Class-C FM or Telegraphy | 6000 V | 20000 | — | 20 | 2080 mA |
| Class-C Telephony (Plate Modulated) | 5000 V | 20000 | — | 20 |
Application Notes
The outlet water temperature must not exceed 70°C. Air and water flow must be started before filament power and maintained for 5 minutes after removal.
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