Low distortion pyramidal dispersion speaker

Details Low distortion pyramidal dispersion speaker Low distortion pyramidal dispersion speaker

1974-06-07

1976-01-06

Tomsky, Stephen J.

Acoustics

Sound-modifying means

Intensifying horn

181187, 181191, 181195, G10K 1100

Patent

active

039305619

ABSTRACT:
A loudspeaker horn has a conical section adapted to receive the driver assembly of a speaker system at the small cone end. An exponential section secured to the large cone end, concentrically with the cone longitudinal axis, flares outwardly to terminate in a square cross-section horn mouth. A raised lip secured around the periphery of the horn mouth diffracts sound symmetrically through a dispersion angle of about 120.degree. with a drop of about six decibels or less.

REFERENCES:
patent: 965328 (1910-07-01), Prescott
patent: 997870 (1911-07-01), Stevenson
patent: 1381430 (1921-06-01), Phipps
patent: 1692994 (1928-11-01), Mattis
patent: 1754506 (1930-04-01), Flynn
patent: 1777273 (1930-09-01), Billig
patent: 1996743 (1935-04-01), Blattner

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