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Loudspeaker system having a bass-reflex port

  • US 5,892,183 A
  • Filed: 02/26/1998
  • Issued: 04/06/1999
  • Est. Priority Date: 07/26/1997
  • Status: Expired due to Fees
First Claim
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1. A loudspeaker system comprising:

  • an enclosure;

    a loudspeaker device mounted within the enclosure; and

    a bass-reflex port having two open ends formed in the enclosure, said bass-reflex port having a longitudinal axis and a length defined by the two open ends, and having a passage flaring towards the two open ends, the bass-reflex port being provided with a central portion and two flared portions, each of said two flared portions extending between the central portion and one of the open ends of the bass-reflex port, each of said two flared portions extending over a part of the length of the bass-reflex port which is larger than the part of the length over which the central portion extends, characterized in that in a longitudinal section of the bass-reflex port, said two flared portions are defined by lines extending at an angle having a value of between 3° and

    12°

    with respect to the longitudinal axis of the bass-reflex port.

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