EMINENCE DELTA PRO 12A KOMPONEN / COMPONENT SPEAKER

KOMPONEN / COMPONENT SPEAKER EMINENCE DELTA PRO 12A Recommended for professional audio in both sealed and vented enclosures. Ideal for full-range, mid/ hi, and monitor wedges. SPECIFICATION : Nominal Basket Diameter 12" , 305 mm Nominal Impedance* 8 © Power Rating* * Watts 400 W Music Program 800 W Resonance 51 Hz Usable Frequency Range 52 Hz - 4.5 kHz Sensitivity* * * 99.2 dB Magnet Weight 80 oz. Gap Height 0.375" , 9.5 mm Voice Coil Diameter 2.5" , 64 mm THIELE & SMALL PARAMETERS : Resonant Frequency ( fs) 51 Hz DC Resistance ( Re) 5.71 © Coil Inductance ( Le) 0.84m H Mechanical Q ( Qms) 7.56 Electromagnetic Q ( Qes) 0.37 Total Q ( Qts) 0.35 Compliance Equivalent Volume ( Vas) 81.7 liters / 2.89 cu.ft. Peak Diaphragm Displacement Volume ( Vd) 242 cc Mechanical Compliance of Suspension ( Cms) 0.21 mm/ N BL Product ( BL) 15.3 T-M Diaphragm Mass Inc. Airload ( MMs) 48 grams Efficiency Bandwidth Product ( EBP) 138 Maximum Linear Excursion ( Xmax) 4.6 mm Surface Area of Cone ( Sd) 532.4 cm2 Maximum Mechanical Limit ( Xlim) 13.7 mm MOUNTING INFORMATION : Recommended Enclosure Volume Sealed 28-35 liters / 1-1.25 cu.ft. Vented 31-91 liters / 1.1-3.2 cu.ft. Driver Volume Displaced 0.09 cu.ft. / 2.55 liters Overall Diameter 12.38" , 314.5 mm Baffle Hole Diameter 11.07" , 281.2 mm Front Sealing Gasket Yes Rear Sealing Gasket Yes Mounting Holes Diameter 0.27" , 6.9mm Mounting Holes B.C.D. 11.69" , 296.9mm Depth 6.22" , 158 mm Net Weight 16.3 lbs, 7.39 kg Shipping Weight 18 lbs, 8.16 kgs 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 Dust Cap Composition Solid composition paper dust cap