Brand New Genuine Electro-Voice DL15ST Recone Kit. Kit comes with 1 voice coil, 1 spider, 1 cone, 1 dustcap, 1 gasket, 2 pigtail leads and instructions. Plastic shims for centering the voice coil are included with the kit.
Glue and epoxy will be required, but sold separately. You do not need dampener for the cloth edge, however EV uses silicoat (see picture) on the last roll of the edge. You can attempt to duplicate the silicoat effect with a bead of latex.