Deleterious mechanical vibrations from dynamic loudspeaker...

Details Deleterious mechanical vibrations from dynamic loudspeaker... Deleterious mechanical vibrations from dynamic loudspeaker...

H - Electricity

04

R

181/4, 349/72

H04R 1/00 (2006.01) H04R 1/28 (2006.01) H04R 9/06 (2006.01)

Patent

CA 1107384

ABSTRACT OF THE DISCLOSURE A dynamic loudspeaker comprises first and second device means each having a coil disposed in a magnetic gap formed in a magnetic circuit., a vibratory member driven by a first drive means, and a massive member opposingly disposed to the vibratory member and being driven by a second drive means, whereby reaction force generated by said vibratory member is substantially elimin- ated by reaction force of said massive member,

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