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A Class G amplifier is a type of audio power amplifier that is designed to improve efficiency over Class AB while still keeping good sound quality. It uses a design evolution from Class A to AB, and then to G, and it’s often described as more efficient than AB while maintaining premium audio performance.
Wikipedia
Overview of Class G Amplifiers
A Class G amplifier is a type of audio power amplifier that enhances efficiency compared to Class AB amplifiers while still delivering high-quality sound.
Key Features
Efficiency: Class G amplifiers are designed to be more efficient than Class AB amplifiers. They achieve this by using multiple power supply rails at different voltage levels.
Dynamic Voltage Switching: These amplifiers switch between supply voltages based on the audio signal's requirements. When the signal level is low, a lower voltage is used, and as the signal increases, the amplifier automatically switches to a higher voltage. This reduces wasted power and heat generation.
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