Patent ID: 7804976
Filing Date: 2010-09-28
Classification: H04R

Abstract:
1. An apparatus for cooling a loudspeaker assembly, the loudspeaker assembly having a front side from which sound emanates and a backplate, the loudspeaker assembly having a voice coil surrounded by a magnet and moving freely about a pole piece having a central vent with an inner surface, wherein the apparatus comprises a plug having a first end and a second end, the second end of the plug removably and snugly inserted into the vent, the first end extending a distance away from the backplate so that a plug portion extending the distance is exposed to ambient air, the second end being in contact with the inner surface of the central vent, wherein heat radiated from the voice coil to the pole piece is conducted away from the pole piece and radiated to ambient air by the plug portion that extends away from the backplate; wherein the plug is inserted through the backplate into the vent without disassembly of the loudspeaker assembly.