EMINENCE Kappa 15C - 450W

Recommended for professional audio in a vented mid-bass or bass enclosure. Also suitable for bass guitar and monitors. Features Composition Solid composition paper dust cap Nominal Basket Diameter 15", 381mm Nominal Impedance 4 ohms Tech Specs Nominal Basket Diameter: 15", 381mm Nominal Impedance*: 4 ohms Power Rating** Watts: 450W Music Program: 900W Resonance: 31Hz Usable Frequency Range: 63Hz - 2.8kHz Sensitivity***: 98.1dB Magnet 80 oz. Gap Height: 0.37", 9.53mm Voice Coil Diameter: 3", 76.2mm THIELE & SMALL PARAMETERS Resonant Frequency (fs): 31Hz DC Resistance (Re): 3.68 Coil Inductance (Le): 0.88mH Mechanical Q (Qms): 10.14 Electromagnetic Q (Qes): 0.25 Total Q (Qts): 0.25 Compliance Equivalent Volume (Vas): 329.9 liters / 11.7 cu.ft. Peak Diaphragm Displacement Volume (Vd): 206cc Mechanical Compliance of Suspension (Cms): 0.35mm/N BL Product (BL): 14.7 T-M Diaphragm Mass Inc. Airload (MMs): 77 grams Efficiency Bandwidth Product (EBP): 124 Maximum Linear Excursion (Xmax): 2.4mm Surface Area of Cone (Sd): 856.3 cm2 Maximum Mechanical Limit (Xlim): 11.6mm