High back-emf, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround

  • US 6,130,954 A
  • Filed: 07/26/1999
  • Issued: 10/10/2000
  • Est. Priority Date: 01/02/1996
  • Status: Expired due to Fees
First Claim
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1. A voice coil driven loudspeaker having a resilient suspension system for supporting movable driver components of said loudspeaker within stationary driver components of said loudspeaker, said resilient suspension system comprising, in combination:

  • (a) at least one annular flexible spider adapted to have its outer periphery coupled to the stationary driver components of said loudspeaker and its inner periphery coupled to the movable driver components of said loudspeaker; and

    ,(b) a generally circular surround formed of flexible, resilient, self-supporting material, said circular surround having an edgeroll adjacent its outer periphery, with the outer boundary of said edgeroll being adapted for attachment of said circular surround to the stationary driver components, said circular surround further having a region that is located inwardly of said edgeroll for attachment of said surround to the movable driver components, the thickness of said surround being substantially in excess of 0.02" and the diameter of said edgeroll being selected to allow a maximum peak-to-peak excursion of the movable driver components that substantially exceeds 0.6".

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