PROTECTIVE CIRCUIT FOR LOUDSPEAKER
United States Patent 3544720
Inventors:
Corderman, Sidney A.
Publication Date:
12/01/1970
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Export Citation:
Assignee:
MCINTOSH LAB INC
Primary Class:
Other Classes:
327/482, 307/328, 381/123, 307/327, 330/207P, 327/476, 327/425
International Classes:
H02H9/04; H03F1/52; H04R3/00; H04R3/00; G05F1/60; H02H3/20