Horn type loudspeaker

Details Horn type loudspeaker Horn type loudspeaker

1982-03-09

1984-09-04

Rubinson, G. Z.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181187, 181192, H04R 130

Patent

active

044699212

ABSTRACT:
A sectoral horn type loudspeaker includes a throat section and a sectoral part where the width of the horn at the connection therebetween is less than the wavelength of the upper limit frequency. In order to make the sound pressure characteristic flat throughout the frequency range, the directivity angle is changed for frequency bands in correspondence to the horn driver energy conversion characteristic. In particular, the side walls of the horn are bent polygonally at at least one point to increase the opening angle stepwise.

REFERENCES:
patent: 1358883 (1920-11-01), Seabrook
patent: 2537141 (1951-01-01), Klipsch
patent: 2690231 (1954-09-01), Levy
patent: 3930561 (1976-01-01), Klauman
patent: 4171734 (1979-10-01), Peveto
patent: 4176731 (1979-12-01), Sinclair

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