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Title:
Loudspeaker assembly
Abstract:
An improved loudspeaker assembly wherein one or more speakers are mounted in a closed cylindrical housing of air impervious material. When a plurality of speakers are utilized in an assembly, they are vertically spaced, with the central axis of each speaker contained in a respective radial plane and with adjacent radial planes having an included angle typically within the range of 15.degree. to 25.degree.. A preferred material for the cylindrical housing is laminated fibreboard.
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Inventors:
LeTourneau, Ted L. (Longview, TX, US)
Application Number:
898717
Filing Date: 1978-04-24 Publication_date: 1980-09-23 Assignee:
Primary Class(es):
181/147
181/153, 181/199
Other Classes:
US Patent Ref:
| D215449 | Sep, 1969 | Kaminski | D14/33. | | D220629 | May, 1971 | Shimizu | D14/33. | | D228920 | Oct, 1973 | Iida | D14/33. | | D230997 | Mar, 1974 | Shannon | D14/33. | | 3443660 | May, 1969 | Virva et al. | 179/1. | | 3637039 | Jan, 1972 | Raichel et al. | 181/146. | | 3812301 | May, 1974 | Lahti | 181/153. | | 3818138 | Jun, 1974 | Sperrazz, Jr. | 179/1. | | 3894612 | Jul, 1975 | Maeda et al. | 181/199. | | 3978941 | Sep, 1976 | Siebert | 181/153. |
Other Refs:
Other References:
Olson, Harry F., "Direct Radiator Loudspeaker Enclosures", Audio Engineering, vol. 35, Issue 11, 11-1951, pp. 34, 36, 38, 59-64. |