EMINENCE DELTA12LFA 12-Inch American Standard Series Speakers

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Power Rating Watts 500W Music Program 1000W Resonance 51Hz Usable Frequency Range 44Hz-3kHz Sensitivity 94.6 Magnet Weight 56 ounce Gap Height 0.375", 9.53mm Voice Coil Diameter 2. 5", 63.5mm THIELE and SMALL PARAMETERS Resonant Frequency (FS) 51Hz DC Resistance (Re) 6.06 Coil Inductance (Le) 1.45mH Mechanical Q (QMS) 7.28 Electromagnetic Q (QES) 0.51 Total Q (QTS) 0.47 Compliance Equivalent Volume (Vas) 67.9 liters / 2.4 cu.ft. Peak Diaphragm Displacement Volume (VD) 243cc Mechanical Compliance of Suspension (CMS) 0.19mm/N BL Product (BL) 14.1 T-M Diaphragm Mass Inc. Air load (Mms) 51 grams Efficiency Bandwidth Product (EBP) 100 Maximum Linear Excursion (XMAX) 4.8mm Surface Area of Cone (SD) 506.7 cm2 Maximum Mechanical Limit (XLIM) 13.5mm MOUNTING INFORMATION Recommended Enclosure Sealed 19.8-28 liters/0.7-1.0 cu.ft. Vented 25.5-102 liters/0.9-3.6 cu.ft. Overall Diameter 12.03", 305.5mm Baffle Hole Diameter 10.95", 278.1mm Front Sealing Gasket fitted as standard Rear Sealing Gasket fitted as standard Mounting Holes Diameter 0.25", 6.4mm Mounting Holes B.C. D. 11.59", 294.3mm Depth 5.35", 136mm Net Weight 11.8 lbs., 5.4 kg Shipping Weight 14 lbs., 6.4 kg MATERIALS OF CONSTRUCTION Coil Construction Copper voice coil Former Polyimide former Magnet Composition Ferrite magnet Core Details Vented and extended core Basket Materials Pressed steel basket Cone Composition Paper Cone Edge Composition Cloth cone edge Dust cap Composition Solid composition paper dust cap Show more