Sound source having a plurality of drivers operating from a virt

Details Sound source having a plurality of drivers operating from a virt Sound source having a plurality of drivers operating from a virt

1988-03-11

1989-07-04

Isen, Forester W.

Electrical audio signal processing systems and devices

Including phase control

381156, 181187, G10K 1100

Patent

active

048457590

ABSTRACT:
A sound source includes a plurality of drivers communicating with the common throat of a horn. The size of the radiating area of the throat is less than two or three wavelengths of the highest frequency to be produced such that the drivers operate conjointly from a virtual point. Means may be included to adjust the time delay or phase between drivers to control the dispersion angle.

REFERENCES:
patent: 1951692 (1934-03-01), Evens
patent: 3125181 (1964-03-01), Pawlowski
patent: 4015089 (1977-03-01), Ishii et al.
patent: 4554414 (1985-11-01), House
patent: 4578809 (1986-03-01), Eberbach
Tremaine, Audio Cyclopedia, 1979, p. 1099, FIG. 20-54.

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