| 摘要 |
A loudspeaker system includes a cabinet with an interior air volume, a transducer, a first port extending from an opening in the front wall of the cabinet to the interior of the cabinet, and a second port extending from and opening in the rear wall of the cabinet to the interior of the cabinet. The first and second ports are aligned along a common longitudinal axis and the interior ends of the ports are separated from each other by a predetermined distance. First and second flanges having a diameter larger than the first and second ports are disposed at the interior ends of the first and second ports, respectively.
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