Patent ID: 7039212
Filing Date: 2006-05-02
Classification: H04R

Abstract:
1. A loudspeaker system comprising: a transducer; an enclosure for housing said transducer; and a port disposed in said enclosure for tuning the low frequency performance of said loudspeaker system, said port comprising wherein a second distance measured between an edge of said port cover nearest to said enclosure and a wall of said enclosure is greater than the average radius of an average cross-sectional area of said port tube such that a total cross-sectional area of an opening created between said port cover and said enclosure is substantially greater than said predetermined internal cross-sectional area of said port tube, such that any line drawn directly from a tangent point on the outer-most end of said port tube through a tangent point on an edge of said port cover nearest to said enclosure intersects with a solid part of said loudspeaker system.