Accuton C90-6-089 5" Ceramic Dome MidrangeThe C90-6-089 is a 5 inch mid range driver with ultra hard ceramic dome. Anti-resonant cutout fills in the ceramic dome provide for damping of the 8 kHz dome resonance. A FEA optimized overhung motor design with 38 mm aluminum voice coil former and ferro fluid filling guarantees excellent heat transfer. The low mass inverted fabric surround and a thin fabric spider center the moving parts with high linearity.As a typical home stereo mid range driver, we recommend our C90-6-089 for an application from 70 Hz – 3000 Hz.