12" Polypropylene Cone (400-1026A) Preparation Faxback Doc. # 15875 Woofer MOUNTING You can install the woofer from the front or back of an enclosure so it is flush with the baffle's surface. Seal the mounting surface so air cannot leak around the woofer. For details, see our "Building Speaker Systems" book (not supplied), available at your local Radio Shack store. (ALL-07/13/95)