Patent ID: 6816598
Filing Date: 2004-11-09
Classification: H04R

Abstract:
A loudspeaker apparatus comprising:an isobaric chamber; at least one acoustical chamber, disposed adjacent the isobaric chamber and having an output; at least one group of drivers comprising a first driver and a second driver, the first and second drivers having diaphragms and disposed within the isobaric chamber such that the corresponding diaphragms are linked to one another by pneumatic action, said first driver disposed within the isobaric chamber to directly emit a front wave to the exterior of the loudspeaker apparatus and said second driver disposed within the isobaric chamber to directly emit a front wave to the acoustical chamber; and a synchronization circuit for synchronizing the output of said group of drivers such that the output of the first driver acoustically reinforces the output the second driver in said group.