EMINENCE OMEGA PRO 18A KOMPONEN / COMPONENT SPEAKER

KOMPONEN / COMPONENT SPEAKER EMINENCE OMEGA PRO 18A Recommended for professional audio as a woofer in vented enclosures. Also ideal for horn loading and scoops. SPECIFICATION : Nominal Basket Diameter 18" , 457 mm Nominal Impedance* 8 © Power Rating* * Watts 800 W Music Program 1600 W Resonance 25 Hz Usable Frequency Range 40 Hz - 0.8 kHz Sensitivity* * * 97 dB Magnet Weight 109 oz. Gap Height 0.375" , 9.5 mm Voice Coil Diameter 4" , 102 mm THIELE & SMALL PARAMETERS : Resonant Frequency ( fs) 25 Hz DC Resistance ( Re) 5.2 © Coil Inductance ( Le) 1.67m H Mechanical Q ( Qms) 8.18 Electromagnetic Q ( Qes) 0.32 Total Q ( Qts) 0.31 Compliance Equivalent Volume ( Vas) 548.7 liters / 19.38 cu.ft. Peak Diaphragm Displacement Volume ( Vd) 556 cc Mechanical Compliance of Suspension ( Cms) 0.29 mm/ N BL Product ( BL) 18.8 T-M Diaphragm Mass Inc. Airload ( MMs) 137 grams Efficiency Bandwidth Product ( EBP) 79 Maximum Linear Excursion ( Xmax) 4.8 mm Surface Area of Cone ( Sd) 1159 cm2 Maximum Mechanical Limit ( Xlim) 16. mm MOUNTING INFORMATION : Recommended Enclosure Volume Sealed N/ a Vented 96-198 liters / 3.4-7 cu.ft. Driver Volume Displaced 0.234 cu.ft. / 6.62 liters Overall Diameter 18" , 457.2 mm Baffle Hole Diameter 16.56" , 420.6 mm Front Sealing Gasket Yes Rear Sealing Gasket Yes Mounting Holes Diameter 0.28" , 7.1mm Mounting Holes B.C.D. 17.25" , 438.2mm Depth 8.15" , 207 mm Net Weight 25.2 lbs, 11.43 kg Shipping Weight 28.9 lbs, 13.11 kgs MATERIALS OF CONSTRUCTION : Coil Construction Copper voice coil Coil Former Polyimide former Magnet Composition Ferrite magnet Core Details Vented and extended core Basket Materials Die-cast aluminum basket Cone Composition Paper cone Cone Edge Composition Cloth cone edge Dust Cap Composition Solid composition paper dust cap