SPEAKER EMINENCE KILOMAX® PRO 18A

SPECIFICATION Nominal Basket Diameter 18 " , 457.2mm Nominal Impedance* 8 ohms Power Rating Watts 1250W Music Program 2500W Resonance 32Hz Usable Frequency Range 33Hz-300Hz Sensitivity* * * 95.8 Magnet Weight 109 oz. Gap Height 0.375 " , 9.53mm Voice Coil Diameter 4 " , 101.6mm THIELE & SMALL PARAMETERS Resonant Frequency ( fs) 32Hz DC Resistance ( Re) 5.07 Coil Inductance ( Le) 1.59mH Mechanical Q ( Qms) 10.15 Electromagnetic Q ( Qes) .49 Total Q ( Qts) 0.47 Compliance Equivalent Volume ( Vas) 331.5 liters / 11.7 cu.ft. Peak Diaphragm Displacement Volume ( Vd) 1159cc Mechanical Compliance of Suspension ( Cms) 0.18mm/ N BL Product ( BL) 17.2 T-M Diaphram Mass inc. Airload ( Mms) 143.17 grams Efficiency Bandwidth Product ( EBP) 64.9 Maximum Linear Excursion ( Xmax) 10.0mm Surface Area of Cone ( Sd) 1159.0 cm2 Maximum Mechanical Limit ( Xlim) 19.2mm MOUNTING INFORMATION Recommended Enclosure Sealed 104.8-172.7 liters/ 3.7-6.1cu.ft. Vented 118.9-303 liters/ 4.2-10.7cu.ft. Overall Diameter 18 " , 457.2mm Baffle Hole Diameter 16.56 " , 420.6mm Front Sealing Gasket Fitted as standard Rear Sealing Gasket Fitted as standard Mounting Holes Diameter 0.28 " , 7.1mm Mounting Holes B.C. D. 17.25 " , 438.2mm Depth 8.15 " , 207mm Net Weight 27.4 lbs., 12.4 kg Shipping Weight 30.9 lbs., 14 kg MATERIALS OF CONSTRUCTION Coil Construction Copper voice coil Coil Former Kapton Magnet Composition Ferrite magnet Core Details Extended core with Core Periphery Ventilation Basket Materials Die-cast aluminum basket Cone Composition Treated Paper-Kevlar Cone Edge Composition Cloth cone edge Dustcap Composition Porous cloth top spider/ heatsink