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The Influence of Losses on the Frequency Response of the Band-Pass Loudspeaker Systems

The influence of acoustical losses upon the frequency response of fourth-order band-pass loudspeaker system is examined. It has been proved that losses in enclosures influences their effective volumes and the resonant frequency of the Helmholtz resonator. If the volumes are considered as the ?effective?, the losses in enclosures and in the vent influence weakly the frequency response. However, the leakage losses between both chambers of the system influence the frequency response very strong. The rules for the corrections avoiding the differences between frequency responses obtained for lossless and actual systems are developed.

Author: Dobrucki, Andrzej
Affiliation: Institute of Telecommunications and Acoustics, Wroclaw University of Technology , Wroclaw, Poland
AES Conference:21st International Conference: Architectural Acoustics and Sound Reinforcement (June 2002)
Paper Number:000077 Import into BibTeX
Subject:Architectural Acoustics & Sound Reinforcement

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