Concentric tube suspension system for loudspeakers

  • US 6,095,280 A
  • Filed: 03/27/1998
  • Issued: 08/01/2000
  • Est. Priority Date: 07/19/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. A loudspeaker, comprising:

  • a frame;

    a motor structure having a magnetic gap, and a voice coil including a former having an inner surface defining a hollow interior and an outer surface which carries a wire winding, said wire winding having an uppermost winding, a lowermost winding and a number of intermediate windings therebetween;

    an upper suspension connected to said frame, a diaphragm connected to said upper suspension, a lower suspension having a first end connected to said frame and a second end;

    a stabilizer tube having an upper end, a lower end and a hollow interior, said upper end being connected to said diaphragm so that said motor structure is disposed within at least a portion of said hollow interior of said stabilizer tube;

    said diaphragm extending from said stabilizer tube into engagement with said voice coil so that said voice coil is suspended at least partially within said magnetic gap of said motor structure; and

    said second end of said lower suspension being connected to said stabilizer tube at a location vertically below said uppermost winding of said wire winding on said outer surface of said former of said voice coil.

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