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ClassPower Pentode
Base5-pin
Filament4V @ 1.1mA
Construction
Primary TypePentode
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation8 W
Grid 2 Voltage250 V
Cathode Current45 mA
Audio Performance
Typical THD10%
Power Output3.2 W
Key Features
- Power output pentode
- Indirectly heated cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A | 250V | 2800 | 40000 | 112 | 32mA |
Application Notes
Commonly used in European radio output stages.
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