Loudspeaker horn

Details Loudspeaker horn Loudspeaker horn

1997-06-17

1999-07-20

Dang, Khanh

Acoustics

Diaphragm and enclosure

With horn

181187, 181192, H05K 500

Patent

active

059258560

ABSTRACT:
A loudspeaker horn for use with an acoustical driver has a rectangular throat opening with a long dimension relative to the wavelength of the sound pressure waves generated within the high frequency range of the horn. A relatively short pre-load chamber corrects the phase of the sound pressure waves over the long dimension of the throat opening. The pre-load chamber provides control over the directivity of the horn and provides a uniform frequency response with minimal distortion.

REFERENCES:
patent: 3930561 (1976-01-01), Klayman
patent: 4071112 (1978-01-01), Keele, Jr.
patent: 4176731 (1979-12-01), Sinclair
patent: 4187926 (1980-02-01), Henricksen et al.
patent: 4206831 (1980-06-01), Welch et al.
patent: 4390078 (1983-06-01), Howze et al.
patent: 4465160 (1984-08-01), Kawamura et al.
patent: 5285025 (1994-02-01), Yoshioka

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