Answer
Sep 13, 2024 - 06:55 AM
A Class A amplifier operates with its output transistors always on, delivering high linearity and audio fidelity but with lower efficiency and higher heat dissipation. In contrast, a Class D amplifier uses pulse-width modulation to switch its output transistors on and off rapidly, resulting in much higher efficiency and lower heat production, though it may introduce more distortion compared to Class A.
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