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Power Supply Regulation in Audio Power Amplifiers

Audio power amplifiers have typically been supplied power by the simplest possible means, usually an offline supply with no line or load regulation, most commonly based on a line frequency transformer. Even modern amplifiers utilizing switchmode power supplies are usually designed without line or load regulation. The exception has been made for high-end audiophile amplifiers. The pros and cons of a regulated power supply are investigated.

Author: Mendenhall, Eric
Affiliation: Gibson Labs, Redondo Beach, CA
AES Convention:113 (October 2002) Paper Number:5694 Import into BibTeX
Subject:Recording and Reproduction of Audio

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