12 pcs – 12″ CF Cone 4″ VC 6.5″ Dust cap

12 pcs Lot 12 “carbon sandwich cone bonded 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: 235 mm Depth: 50 mm Voice coil opening : 4” – 101 mm Surround : Overall diameter : 300mm Inner diameter : 210mm Height : 27mm Dust cap : Material: Layer Real Carbon Fiber Number of layer: 2 Overall diameter: 165 mm