The CTSW12 is a passive closed-box subwoofer featuring a 12-inch paper drive unit. It is designed to be used with both the CT800 and CT700 ranges. It might seem strange to many listeners that a material like paper could have much to do with a product as solid and powerful as a Custom Theatre subwoofer.
Nevertheless, paper plays a vital part in what they’re hearing. In our CT SW10, CT SW12 and CT SW15 subs, the bass driver diaphragms are constructed from a finely-tuned mix of paper pulp, Kevlar fibres and resin, which provides the stiffness needed to withstand the tremendous physical forces exerted by the pressures inside the cabinet.