EL11 N / EL11
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BrandPhilips Miniwatt
ClassPower output pentode
BaseStahl
Filament6.3V @ 0.9mA
Construction
Primary Typepentode
EnvelopeGlass/Metal
Sections1
Filament / Heater
Heater NotesIndirect heating, A.C., parallel supply
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation9 W
Grid 2 Voltage275 V
Grid 1 Voltage-1.3 V
Cathode Current55 mA
H-C Voltage50 V
Audio Performance
Typical THD10%
Power Output4.5 W
Key Features
- Indirectly heated
- Parallel filament supply
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Single tube output amplifier | 250V | 9000 | 50000 | 23 | 36mA |
Application Notes
Electrically identical with tube EL 3. For data as push-pull output amplifier, refer to type EL 3.
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