15 "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 musick.
Number of layers: 3
Overall diameter: 290 mm
Depth: 74 mm
Voice coil opening : 4" - 101 mm
overall diameter : 370mm
inner diameter : 270mm
height : 32mm (without ribbs)