Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having acoustic wave modifying structure
Patent
1997-10-31
2000-01-18
Kuntz, Curtis A.
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Having acoustic wave modifying structure
381340, 381 82, 381351, 181152, 181145, 181199, H04R 102, H04R 120
Patent
active
060163534
ABSTRACT:
A loudspeaker system having a cross-cabinet horizontal array of loudspeakers for collectively generating a common acoustical wavefront when respective drivers associated with each of the loudspeakers of the array are similarly driven. The loudspeakers are secured to each other such that adjoining horn side walls for adjacent ones of the loudspeakers are substantially parallel to each other and are relatively deep in relationship to the total length of the loudspeakers, i.e., the length of the sidewalls is about 80% of the depth of the entire loudspeaker. Each horn is angled about 30 degrees off a central axis thereof to provide 30 degrees coverage in the horizontal plane and includes a first, essentially untapered, section which provides the aforementioned coverage in the horizontal plane and a second section having a taper of about 30% to prevent diffraction of the wavefront at the edges of the horn. To mount the loudspeakers to each other in a space efficient manner, each loudspeaker has a generally trapezoidal cross-section sized such that the drivers of the cross-cabinet horizontal array may be closely packed together such that only the walls of the cabinets separate adjacent drivers of the array.
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Barnie Rexford N.
Eastern Acoustic Works, Inc.
Kuntz Curtis A.
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