SG15G2 sub’s built with double high flux ferrite motor. The motor utilizes Y30, features an enormous 15mm (0.6”) magnetic gap to ensure the coil is always under control.
This motor drives a 2.5” diameter 4-Layer Cooper Wire Aluminum Coil with an extremely long winding (0.65” long) wound on a thick aluminum former to incredible levels of excursion.
This model use fiber glass cone increases the intensity of the cone and reduces nonlinear distortion. The SG15G2 series is really a different kind of woofer due to its incredibly linear suspension. They are designed for the LOWEST level of bass extension possible in a small enclosure while maintaining extremely low levels of distortion.