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Convention Paper

Contributions to the Improvement of the Response of a Pleated Loudspeaker

Authors: Carbajo, Jesus; Segovia, E.; Martinez, Jose; Martinez, Rita; Ramis, Jaime

AES Convention 129 · Paper 8238 · November 2010

Abstract

In this paper we describe some results that have led to the improvement of the response of an Air Motion Transformer loudspeaker. First, it is noteworthy that it has been found an approximate analytical solution to the differential equations system that governs the behavior of the moving assembly of this type of transducer, being this valid when the length of the pleat is much greater than the radius of the cylindrical part. This solution is valid for any type of analysis (static, modal and harmonic), and the modes are significantly simplified assuming the hypothesis above mentioned. In addition, we have analyzed the influence of the thickness and the shape of perforation of the pole piece in the frequency response of the loudspeaker.

Details

Published in
AES Convention 129
AES Convention
129
Paper number
8238
Publication date
November 6, 2010
Session subject
Loudspeakers and Microphones
Affiliation
Acustica Beyma S.L., Moncada, Valencia, Spain; Universidad de Alicante, Alicante, Spain; Obras Públicas e Infrastructura Urbana, Spain (See document for exact affiliation information.)
Type
Convention Paper