Opens in a new tab

AES E-Library

← Back to search

Journal Article

Modulation Distortion in Loudspeakers: Part 3

Authors: Klipsch, Paul W.

Journal of the Audio Engineering Society · Volume 20 · Issue 10 · pp. 827–828 · December 1972

Abstract

Distortion in loudspeakers is shown to be nearly proportional to power output. Typically a plot of log distortion versus dB output shows a 1:1 relation. In one sample ooudspeaker the slope of the distortion versus output curve was in excess of 45 degrees. Comparison is shown between a direct radiator of 20-cm (8-in) diameter, one of 30-cm (12-in) diameter, and a high-efficiencØ horn of 0.45 m/3 (16 ft/3). At 95-dB sound pressure level output measured at 61 cm (2 ft) the 12-cm cone showed 18% (-15 dB ref 100%), the 30-cm cone showed 6% (-25 dB ref 100%), and the horn showed 0.8% (-42 dB ref 100%). Each curve of distortion versus output shows a slope of at least 45 degrees.

Details

Publication
Journal of the Audio Engineering Society
Volume
20
Issue
10
Pages
827–828
Publication date
December 6, 1972
Affiliation
Klipsch and Associates, Inc., Hope, AR (See document for exact affiliation information.)
Type
Journal Article