The newly developed 6.5-inch mid-bass driver features a Multi-Wall carbon fiber cone with a layer of XG Nanographene, providing optimal stiffness to weight ratio and an ideal damping factor. The driver frame has been designed, simulated and tested for the optimal combination of stiffness and damping. Minimum acoustical impact is achieved through reducing vibration modes while maximizing air flow. The motor system incorporates extra-large magnets to ensure a stabilized magnetic field in the 39- mm pure titanium voice coil. The A1 mid-bass driver is optimized for minimal music related distortions in its bandpass, in both the frequency and time domains using state of the art finite element analysis simulation of acoustical, mechanical, electromagnetic and thermal behavior.