After plenty of requests from the public, Eminence has created the Delta-12LFC, a 4 version of their popular and versatile Delta 12 LF speaker. Offering a 12" subwoofer and stamped steel frame, the Delta-12LFC has an extended core motor for low distortion and high-power handling. This 12" Eminence subwoofer is ideal for use in a bass guitar application or PA cabinet.Materials of Construction Copper voice coil Kapton Ferrite magnet Vented and extended core Pressed steel basket Treated paper cone Cloth cone edge Solid composition paper dust cap