This paper demonstrates the considerable advantages of using experimental design to establish the parameter sensitivity in a FEA loudspeaker model. The experimental design process has enabled the analysis of a large number of control factors and their interactions in a small number of tests. It has helped to identify the 'vital' significant control factors that affect the on-axis SPL transfer function of a loudspeaker in an infinite baffle. Applying experimental design to FEA is advocated as a major step forward in improving the fidelity of the model and data interpretation. It is proposed that the engineering lessons learnt here will be broadly applicable to similar speaker designs.

Author: Pettman, Simon
Affiliation: Goodmans Loudspeakers, Havant, U.K.
AES Conference: UK 13th Conference: Microphones & Loudspeakers (March 1998)
Paper Number: MAL-17
Publication Date: March 1, 1998
Subject: Microphones & Loudspeakers

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