A novel audio power conversion system architecture is presented, in the attempt to provide a step forward in overall system efficiency and performance. The Active pulse modulated Transducer system ('Active Transducer' ) converts power directly from AC mains or from a DC power supply to the acoustic output in one simplified topological stage. New perspectives in audio system design emerge.

Authors: Nielsen, Karsten; Fenger, Lars Michael
Affiliation: Bang&Olufsen ICEpower a/s, Copenhagen, Denmark
AES Convention: 115 (October 2003) Paper Number: 5866
Publication Date: October 1, 2003
Subject: Loudspeakers

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