Stereo electroacoustic transducing

DETAILED DESCRIPTION What is claimed is: 1.
A stereo loudspeaker system for providing good stereo imaging over a wide range of listening positions in a room with the transducing structure itself and passive crossover network means free of complex electronics comprising, left and right direct-radiating loudspeaker systems each in a respective cabinet having a normally vertical axis of symmetry, each direct-radiating system having left and right woofer means for radiating acoustical energy having spectral components in the bass and lower treble frequency ranges and left and right tweeter means for radiating acoustical energy having spectral components above said bass frequency range, respectively, means for mounting each of said woofer means to provide a maximum of radiation within a first predetermined frequency range including lower treble frequencies having a component directed toward the other woofer means along a crossfire direction, means for mounting each of said tweeter means with its axis oriented at an angle coacting with the associated woofer means to provide a maximum of radiation along said crossfire direction within a second predetermined frequency range different from said first predetermined frequency range but including said lower treble frequencies having a component directed toward the other tweeter means, means for mounting said left and right tweeter means adjacent to said left and right woofer means respectively, left and right passive crossover network means for intercoupling said left woofer means with said left tweeter means and said right woofer means with said right tweeter means respectively, each of said crossover network means including means for establishing the relative phase between signals radiated by the associated tweeter means and signals radiated by the associated woofer means at said lower treble frequencies to establish a maximum of radiation at said lower treble frequencies skewed in a direction toward the other of said woofer means and said tweeter means along said crossfire direction, said tweeter means and said woofer means being asymmetrically disposed about the cabinet vertical axis of symmetry