U41
0 Tubes in archive
BrandMarconi
ClassRectifier
BaseInternational Octal
Construction
Primary TypeHalf-wave rectifier
Rectifier TypeDirectly Heated
EnvelopeTubular
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage12500 V
Cathode Current2 mA
Audio Performance
Key Features
- Directly heated
- High voltage
- International Octal Base
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Single Phase Half Wave Capacitor Input | 12500V | - | 300000 | - | 2mA |
| Voltage Doubler (2 valves) | 12500V | - | 300000 | - | 2mA |
Application Notes
Mounting: Any position. Switching: Direct.
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