EL 3
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BrandPhilips Miniwatt
ClassPentode Power Amplifier
BaseP8A
Filament6.3V @ 1.2mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Dissipation9 W
H-C Voltage50 V
Audio Performance
Typical THD10%
Power Output4.3 W
Key Features
- Indirectly heated
- High transconductance
- Suitable for negative feedback
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A | 250V | 9500 | 50000 | - | 36mA |
Application Notes
Requires short electrode connections. It is often necessary to include a 1000 Ohm resistor in the control grid line and a 100 Ohm resistor in the screen grid line.
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