Patent ID: 8379892

Claim:
A method of operating a linear array of high-frequency loudspeakers comprising: (a) three to six high-frequency loudspeakers arranged adjacent to one another such that each loudspeaker comprises a driver defining a circular sound outlet and a sound direction axis; (b) each sound outlet has a diameter of 5 centimeters or less; (c) a center to center distance defined between the sound direction axes adjacent loudspeakers is 5 centimeters or less; (d) each loudspeaker operates with maximum sound pressure level greater than 110 dB and a frequency output range is 1.6 KHz to 16 KHz; (e) operating said linear array outdoors; and (f) each sound outlet defining a reference plane and at least one reference plane of one loudspeaker is inclined from 6 to 15 degrees with reference to the reference plane of an adjacent loudspeaker.