ON THE MECHANICAL VIBRATIONS OF A RIBBON LOUDSPEAKER’S STRIP WHIT RECTANGULAR SHAPE: CASE STUDY

Abstract

This paper presents a case study focusing on the vibrations of a ribbon loudspeaker's strip. These vibrations induce surface deformation, resulting in a degradation of the reproduced sound quality. The phenomenon is briefly reviewed, and the theoretical foundations are outlined. Several modes of the loudspeaker's strip are analyzed using 3D and 2D simulations conducted in Matlab® and COMSOL Multiphysics. A video recording has been done that visually demonstrates the specific modes that were theoretically calculated. Conclusions drawn from the mode analysis are applicable to the design and manufacturing of loudspeakers.