Tube-number record
8163/3-400Z
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BrandEIMAC
ClassHigh-Mu Power Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeGlass
Base Material5 Pin Special
Sections1
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage4000 V
Plate Dissipation400 W
Cathode Current400 mA
Audio Performance
Power Output1310 W
Key Features
- Zero-bias Class-B amplifier
- Compact power triode
- Thoriated tungsten filament
- Radiation and forced air cooling
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Linear Amplifier Grounded-Grid Class B | 3000 V | — | 4750 | 200 | 333 mA |
| Audio Frequency Amplifier Class B (Two Tubes) | 3000 V | — | 9500 | 200 | 666 mA |
| RF Amplifier Class C | 3000 V | — | — | 200 |
Application Notes
Intended for zero-bias Class-B audio or radio-frequency applications. Grounded-grid operation provides power gain as high as twenty times.
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