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A Study of High-Efficiency Audio Power Amplifiers Using a Voltage Switching Method

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High-efficiency audio power amplifiers using a voltage switching method have been studied. The necessity for a high-efficiency power amplifier is first outlined, followed by a detailed discussion on power supply, heat dissipation, and the efficiency of power amplifiers of different operational classes. The process of distortion reduction improvement for a voltasge switching amplifier is then described, and the practical aspects of the amplifier are discussed.

JAES Volume 32 Issue 10 pp. 755-762; October 1984
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AES - Audio Engineering Society