An eighth-order band-pass loudspeaker system consisting of three vented chambers is analyzed. Since its frequency response has equal low-pass and high-pass cut-off slopes of fourth-order, the response function can be aligned to an eighth-order symmetric band-pass filter obtained by the frequency transformation method. For any desired frequency response, required system alignment parameters can be calculated by solving a system of equations. Design examples are presented and compared in terms of the mid-band attenuation factor and the diaphragm displacement.

Authors: Dong, Hao; Shen, Yong; Chen, Rui
Affiliation: Nanjing University, Nanjing, China
AES Convention: 147 (October 2019) eBrief:546
Publication Date: October 8, 2019
Subject: Transducers

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