A speaker driver surround has tapered thickness to provide improved linearity of the force versus displacement response. The tapered thickness surround provides for a larger emissive piston area, thus increasing the acoustic efficiency of the transducer. The surround has an integral gasket with a groove to accept grill to cover the speaker cone.

 
Web www.patentalert.com

> Resonator adopting counter-bored holes and method of suppressing combustion instabilities

~ 00347