| 摘要 |
A waveguide for use in a loudspeaker. The waveguide is positioned within a loudspeaker enclosure and connect to a low frequency transport duct of the loudspeaker. The waveguide has a hollow body which is perforated with apertures. The body presents a high mechanical impedance to the low frequency waves increasing the duct input impedance of the loudspeaker which improves transmission of the low frequency waves to the exterior of the loudspeaker enclosure.
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