EL3N
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BrandPhilips
ClassOutput Pentode
BaseP-base
Filament6.3V @ 940mA
Construction
Primary Typepentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirect; 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 Voltage100 V
Audio Performance
Typical THD10%
Power Output4.5 W
Key Features
- Indirectly heated
- Side-contact base
- Class A/AB output
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A | 250V | 9000 | 50000 | - | 36mA |
| Class AB Push-Pull | 250V | - | 10000 | - | 24mA |
Application Notes
The tube should only be used with automatic or semi-automatic bias.
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