Eminence Delta Pro 12A

THIELE & SMALL PARAMETERS Resonant Frequency (fs) 51Hz Download PDF Spec Sheet DC Resistance (Re) 5.71 Coil Inductance (Le) 0.84mH Mechanical Q (Qms) 7.56 Electromagnetic Q (Qes) 0.37 Total Q (Qts) 0.35 Compliance Equivalent Volume (Vas) 81.7 liters / 2.9 cu.ft. Peak Diaphragm Displacement Volume (Vd) 242cc Mechanical Compliance of Suspension (Cms) 0.21mm/N BL Product (BL) 15.3 T-M Diaphram Mass inc. Airload (Mms) 48 grams Efficiency Bandwidth Product (EBP) 138 Maximum Linear Excursion (Xmax) 4.6mm Surface Area of Cone (Sd) 532.4 cm2 Maximum Mechanical Limit (Xlim) 13.7mm MOUNTING INFORMATION Recommended Enclosure Sealed 28-35 liters/1-1.25 cu.ft. Vented 31-91 liters/1.1-3.2 cu.ft. Overall Diameter 12.38", 314.5mm Baffle Hole Diameter 11.07", 281mm Front Sealing Gasket fitted as standard Rear Sealing Gasket fitted as standard Mounting Holes Diameter 0.27", 6.9mm Mounting Holes B.C. D. 11.57", 293.8mm Depth 6.22", 158mm Net Weight 16.3 lbs., 7.4 kg Shipping Weight 18 lbs., 8.2 kg MATERIALS OF CONSTRUCTION Coil Construction Aluminum 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 Dustcap Composition Solid composition paper dust cap