233
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ClassPower Pentode
Base4-Pin
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage180 V
Plate Dissipation3.5 W
Grid 2 Voltage180 V
Audio Performance
Typical THD10%
Power Output1.4 W
Key Features
- Low filament current
- High power sensitivity
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 180V | 1450 | 50000 | 70 | 22mA |
Application Notes
The 233 is a power amplifier pentode designed for use in the output stage of battery-operated receivers.
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