Rockville VS12K54 12" K5 1400w Car Subwoofer in Vented Sub Enclosure Box - 4 Ohm,Black
- ... Body: Non-Pressed Paper. Gap Plate Inside Diameter: 80mm (3.14 inches). Gap Plate Outside Diameter: 156mm (6.14 inches). Gap Plate Thickness: 25mm (0.98 inches). Yoke Outside Diameter: 145mm (5.7 inches). Yoke Thickness: 6mm (0.23 inches). Yoke Pole Diameter: 50mm (2 inches). Electrical voice coil resistance at DC: Re 3.31 Ohm. requency independent part of voice coil inductance: Le 0.944 mH. Para-inductance of voice coil: L2 1.468 mH. Electrical resistance due to eddy current losses: R2 14.7 Ohm.