E 443
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BrandPhilips
ClassPentode-eindlamp
FilamentV @ mA
Construction
Primary TypePentode
EnvelopeGlass
Sections1
Filament / Heater
MaterialDirectly heated
Absolute Maximum Ratings
Plate Voltage400 V
Plate Dissipation12 W
Grid 2 Voltage300 V
Audio Performance
Power Output10 W
Key Features
- Direct verhitte kathode
- Zeer groot vermogen
- Miniwatt series
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A | 300V | 1800 | 33000 | 60 | 28mA |
Application Notes
Used in Philips 10-watt amplifiers. Suitable for demonstration amplifiers in halls.
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