Loudspeaker horn with adjustable angle of dispersion

Details Loudspeaker horn with adjustable angle of dispersion Loudspeaker horn with adjustable angle of dispersion

1979-04-13

1980-03-25

Tomsky, Stephen J.

Acoustics

Sound-modifying means

Intensifying horn

G10K 1100

Patent

active

041945905

ABSTRACT:
A loudspeaker horn, which is divided into three segments, is provided with a valve for projecting sound either through the central segment or through all of the segments, said valve being adjustable from the front of the loudspeaker by a knob which has markings thereon to indicate the position of the valve and which is provided with means for retaining it in the position set by the knob.

REFERENCES:
patent: 986908 (1911-03-01), Cobb
patent: 1506393 (1924-08-01), Thomas

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