450TH
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BrandEimac
ClassHigh-Mu Triode
BaseSpecial 4-pin No. 5002B
Construction
Primary TypeTriode
EnvelopeGlass
Base MaterialSpecial 4-pin
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage6000 V
Plate Dissipation450 W
Cathode Current600 mA
Audio Performance
Key Features
- Radiation cooled plate
- High-mu power triode
- Thoriated tungsten filament
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class-C Telegraphy | 3000V | 6650 | - | 38 | 500mA |
| Class-C Telegraphy | 4000V | 6650 | - | 38 | 450mA |
| Class-C Telegraphy | 5000V | 6650 | - | 38 | 450mA |
Application Notes
The 450TH must be mounted vertically, base up or base down. Cooling is accomplished by radiation and air circulation. The plate exhibits a red-orange color at maximum dissipation.
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