Tube-number record
8158/3CX10,000A1
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BrandEimac
ClassPower Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeCeramic and Metal
Base MaterialCoaxial
SectionsSingle
Filament / Heater
MaterialThoriated-Tungsten
Absolute Maximum Ratings
Plate Voltage10000 V
Plate Dissipation12000 W
Grid 1 Voltage-1300 V
Cathode Current5000 mA
Audio Performance
Typical THD3.6%
Power Output29100 W
Key Features
- Low-Mu
- Ceramic-metal construction
- Air-cooled anode
- High current capability
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class-AB AF (Two Tubes) | 7000 V | 20000 | — | 6.25 | 7000 mA |
| Class-A AF | 2500 V | — | — | — | 4000 mA |
Application Notes
Recommended for voltage-regulator applications where high current capability and low tube drop are important. Effective grid circuit resistance must not exceed 200,000 ohms.
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