Vertically arrayed Loudspeaker Systems have become widely used in several fields of applications: concert sound, large scale systems, corporate events and so on. In this kind of systems the design of a proper Acoustic Waveguide is a key point for the system's performances. An Acoustic Waveguide, properly designed for this purpose, should be optimized for several features at the same time: acoustic loading properties, proper driver-throat matching, minimum internal reflection, low distortion and, most of all, proper wave front curvature optimization for good array-ability. An example of a practical approach to the design, dimensioning and optimization of acoustic waveguide will be shown through loudspeaker system designing principles together with computer simulations and measured final results.

Authors: Di Cola, Mario; Cinanni, Dario; Manzini, Andrea; Nizzoli, Tommaso; Ponteggia, Daniele
Affiliations: 18 Sound - Division of A.E.B, Srl, Cavriago, RE, Italy; Audio Labs Systems, Casoli, CH, Italy; Studio Ponteggia, Temi, TR, Italy(See document for exact affiliation information.)
AES Convention: 127 (October 2009) Paper Number: 7955
Publication Date: October 1, 2009
Subject: Arrays

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