Patent ID: 6363157
Filing Date: 2002-03-26
Classification: H04R

Abstract:
A loudspeaker system comprising,a first loudspeaker driver assembly, a second loudspeaker driver assembly, an enclosure supporting said first and second loudspeaker driver assemblies and having an internal volume, at least said first loudspeaker driver assembly constructed and arranged to radiate sound energy directly into the listening region outside said enclosure over substantially the full range of audio frequencies, an acoustic impedance coupling at least said second loudspeaker driver assembly to the listening region outside said enclosure to radiate sound energy over a first predetermined range of audio frequencies embracing a bass portion of said full range of audio frequencies, said first loudspeaker driver assembly, said second loudspeaker driver assembly and said enclosure constructed and arranged to coact to maintain the pressure in said enclosure substantially constant over said bass portion.