18″ CF Cone with 4″ VC SPL Surround

FREE SHIPPING! 18 “carbon sandwich cone glued together with a (U) surround. Ideal for SPL applications, but also for music listeners. Because of the sandwich structure, the membrane is extremely stiff, but thanks to the inner foam layer, it is also ideal for music. Cone: Number of layers : 3 Overall diameter : 361 mm Depth : 105 mm Voice coil opening : 4″ – 101 mm Cone weight : 171 gram Surround: overall diameter: 453mm inner diameter: 335mm height: 35mm