Portable loudspeaker apparatus for use in live performances

Details Portable loudspeaker apparatus for use in live performances Portable loudspeaker apparatus for use in live performances

1988-01-06

1989-03-28

Fuller, B. R.

Acoustics

Plural diaphragm sound sources

181145, 181153, 181154, 181199, 381 90, H05K 500

Patent

active

048155594

ABSTRACT:
A portable modular loudspeaker apparatus consists of a cabinet containing at least two speakers pointing in different directions so that sound generation patterns of the different speakers tend to diverge. The cabinet is narrower at the back than at the front, and placing two of the cabinets in a side-by-side abutting relationship provides an array of speakers positioned in a generally arcuate pattern. Each cabinet is provided with manual gripping means on a exterior surface to facilitate transport and installation.

REFERENCES:
patent: 3627948 (1971-12-01), Nichols
patent: 3754618 (1973-08-01), Sasaki
patent: 4165797 (1979-08-01), Spetalnik
patent: 4179008 (1979-12-01), Letourneau
patent: 4365688 (1982-12-01), Blose
patent: 4580654 (1986-04-01), Hale

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