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Eminence Professional Series Delta Pro-18C 18" Subwoofer Speaker 500 Watts At 4 Ohms

Price: $153.99 USD

Product Code: 85206470

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Power Rating Watts 500W Music Program 1000W Resonance 27Hz Usable Frequency Range 35Hz -200Hz Sensitivity 94.4 Magnet Weight 67 ounce GHeight 0.380", 9.53mm Voice Coil Diameter 2.5", 63.5mm THIELE and SMALL PARAMETERS Resonant Frequency (FS) 27Hz DC Resistance (Re) 3.8 Coil Inductance (Le) 2.65mH Mechanical Q (QMS) 13.24 Electromagnetic Q (QES) 0.32 Total Q (QTS) 0.32 Compliance Equivalent Volume (Vas) 488.8 liters / 17.26cu.ft. Peak Diaphragm Displacement Volume (VD) 796cc Mechanical Compliance of Suspension (CMS) 0.25mm/N BL Product (BL) 16.5 T-M Diaphragm Mass Inc. Air load (Mms) 137 grams Efficiency Bandwidth Product (EBP) 84 Maximum Linear Excursion (XMAX) 6.7mm SurfArea of Cone (SD) 1188.0 cm2 Maximum Mechanical Limit (XLIM) 15.0mm MOUNTING INFORMATION Recommended Enclosure Sealed Vented 85-283 liters/3.0-10.0 cu.ft. Overall Diameter 18.00", 457.2mm Baffle Hole Diameter 16.57", 420.9mm 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 8.13", 207mm Net Weight 17.0 lbs., 7.7 kg Shipping Weight 20.5 lbs., 9.3 kg MATERIALS OF CONSTRUCTION Coil Construction Copper voice coil Former Polyimide former Magnet Composition Ferrite magnet Core Details Vented and extended core Basket Materials Die-cast aluminum basket Cone Composition Paper cone Edge Composition Cloth cone edge Dust cComposition Solid composition paper dust cap Model # DELTAPRO18C Features: Composition Solid composition paper dust cap Nominal Basket Diameter 18", 457mm Nominal Impedance 4 ohms Item Dimensions: 19" L x 19" W x 8.2" H

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