E 408N
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BrandPhilips Miniwatt
ClassPower Triode
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage400 V
Plate Dissipation12 W
Grid 1 Voltage-2 V
Cathode Current60 mA
Audio Performance
Power Output2.6 W
Key Features
- Directly heated
- Power valve
- Endstufe
- Tube final
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Normal | 400V | 2700 | 3000 | 8.1 | 30mA |
Application Notes
Output power measured at Grid effective voltage of 35V and load resistance of 6000 Ohms.
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