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
Publication Date:
October 1, 2002
Subject:
Recording and Reproduction of Audio
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