Horn unit for a speaker

Details Horn unit for a speaker Horn unit for a speaker

1973-11-02

1976-02-03

Tomsky, Stephen J.

Acoustics

Sound-modifying means

Intensifying horn

181195, G10K 1100

Patent

active

039359255

ABSTRACT:
A horn speaker having wide directional characteristics in accordance with the present invention provides a horn having a horn wall the shape of which is formed by connecting a plurality of curves having different flaring constants. The flaring constant of the curve forming a mouth portion of the horn wall is selected so as to be greater than that of the curve forming a throat portion thereof. The mouth portion of the horn wall is shaped so as to have a flaring angle which is formed by the curve at the mouth portion and has no abrupt variation of angle to a baffle plate. The curve at the mouth portion is connected with the curve at the horn wall nearer to the throat portion and having the flaring constant different therefrom at a point at which the differential coefficients of the respective curves substantially coincide with each other.

REFERENCES:
patent: 673396 (1901-05-01), Hogan
patent: 1835739 (1931-12-01), Abrahams
patent: 1918366 (1933-07-01), Abrahams

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