Patent ID: 6339649
Filing Date: 2002-01-15
Classification: H04R

Abstract:
A loudspeaker system comprising at least two loudspeaker units, each including a loudspeaker enclosure and at least one loudspeaker mechanism mounted on said loudspeaker enclosure, wherein said loudspeaker enclosure includes:an outer cabinet body having an open front side, a closed rear side, opposed lateral walls, and opposed top and bottom walls that extend in a first horizontal direction between said front and rear sides; and an inner baffle frame disposed in said cabinet body and having parallel left and right walls that extend in a vertical direction between said top and bottom walls and that form a sound space therebetween, said left and right walls further forming first clearances with said lateral walls of said cabinet body respectively, and having a front portion that is proximate to said front side of said cabinet body and that has said loudspeaker mechanism mounted thereon, said front portion of said left and right walls cooperating with said lateral walls to form a pair of acoustic port openings at front ends of said first clearances, said left and right walls further having a rear portion that forms a second clearance with said rear side of said cabinet body, said second clearance being communicated with and extending between rear ends of said first clearances in a second horizontal direction transverse to said first horizontal direction, said baffle frame further having a ducting member at said rear portion of said left and right walls, said ducting member forming an acoustic path that communicates said sound space and said second clearance such that sound pressure behind said loudspeaker mechanism can be radiated through said acoustic port openings via said sound space, said acoustic path, said second clearance and said first clearances.