Loudspeaker system
United States Patent 2900040
US Patent References:
Cone-horn combination
- - 1878018
Sound treating device
- - 2206012
Acoustic device with an inverted horn having a throat vented to the atmosphere
- - 2642947
Cone-horn combination
- - 1878018
Sound treating device
- - 2206012
Acoustic device with an inverted horn having a throat vented to the atmosphere
- - 2642947
Inventors:
Novak, James F.
Publication Date:
08/18/1959
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Export Citation:
Assignee:
MUTER COMPANY
Primary Class:
International Classes:
H04R1/28
Foreign References:
| GB319408A |