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Convention Paper

Intermodulation Distortion in the Amplifier-Loudspeaker Interface

Authors: Otala, Matti; Lammasniemi, Jorma

AES Convention 59 · Paper 1336 · February 1978

Abstract

The possibility of dynamic intermodulation distortion at the amplifier loudspeaker interface is discussed. This distortion is produced in amplifiers using high values of feedback, and having moderate or high open-loop output impedance in comparison with the loudspeaker impedance. The mechanism is intermodulation between the signal and its delayed versions, generated by the loudspeaker and propagated in the feedback loop. Experimental measurements showing the probability of considerable distortion are described.

Details

Published in
AES Convention 59
AES Convention
59
Paper number
1336
Publication date
February 6, 1978
Affiliation
Technical Research Centre, Electronics Labs., Oulu, Finland (See document for exact affiliation information.)
Type
Convention Paper