Kappa Pro-12A 12" Professional Series Speaker

High efficiency pro audio driver for vented mid-bass, and vented bass enclosures. Applications  Woofer | Midbass | Pro Audio Box Type: Vented | Scoop Loading SpecificationsDownload Spec Sheet Download Cab Design SPECIFICATION Nominal Basket Diameter 12", 305 mm Nominal Impedance* 8 Ω Power Rating* Program Power 1000 W Watts 500 W Resonance 37 Hz Usable Frequency Range 57 Hz - 2.8 kHz Sensitivity* 97.1 dB Magnet Weight 80 oz. Gap Height 0.375", 9.5 mm Voice Coil Diameter 3", 76 mm THIELE & SMALL PARAMETERS Resonant Frequency (fs) 37 Hz DC Resistance (Re) 5.46 Ω Coil Inductance (Le) 1.22m H Mechanical Q (Qms) 6.93 Electromagnetic Q (Qes) 0.25 Total Q (Qts) 0.24 Compliance Equivalent Volume (Vas) 121 liters / 4.27 cu.ft. Peak Diaphragm Displacement Volume (Vd) 249 cc Mechanical Compliance of Suspension (Cms) 0.32 mm/N BL Product (BL) 17.3 T-M Diaphragm Mass Inc. Airload (MMs) 59 grams Efficiency Bandwidth Product (EBP) 148 Maximum Linear Excursion (Xmax) 4.8 mm Surface Area of Cone (Sd) 519.5 cm2 Maximum Mechanical Limit (Xlim) 14.8 mm MOUNTING INFORMATION Recommended Enclosure Volume Sealed N/a Vented 17-34 liters / 0.6-1.2 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 16.6 lbs, 7.53 kg Shipping Weight 18.4 lbs, 8.35 kgs MATERIALS OF CONSTRUCTION Coil Construction Copper voice coil Coil Former Polyimide former Magnet Composition Ferrite magnet Core Details Vented 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 Frequency Response