KAPPA-12A 12" American Standard Series Speaker

Recommended for professional audio as a mid/hi or full range in a vented enclosure. Applications  Woofer | Midbass | Midrange | Pro Audio Box Type: Vented | Horn Loading SpecificationsDownload Spec Sheet Download Cab Design SPECIFICATION Nominal Basket Diameter 12", 305 mm Nominal Impedance* 8 Ω Power Rating* Program Power 900 W Watts 450 W Resonance 45 Hz Usable Frequency Range 62 Hz - 4.2 kHz Sensitivity* 99.3 dB Magnet Weight 80 oz. Gap Height 0.375", 9.5 mm Voice Coil Diameter 3", 76 mm THIELE & SMALL PARAMETERS Resonant Frequency (fs) 45 Hz DC Resistance (Re) 5.41 Ω Coil Inductance (Le) 0.77m H Mechanical Q (Qms) 7.76 Electromagnetic Q (Qes) 0.28 Total Q (Qts) 0.27 Compliance Equivalent Volume (Vas) 112.1 liters / 3.96 cu.ft. Peak Diaphragm Displacement Volume (Vd) 166 cc Mechanical Compliance of Suspension (Cms) 0.3 mm/N BL Product (BL) 15.2 T-M Diaphragm Mass Inc. Airload (MMs) 42 grams Efficiency Bandwidth Product (EBP) 161 Maximum Linear Excursion (Xmax) 3.2 mm Surface Area of Cone (Sd) 519.5 cm2 Maximum Mechanical Limit (Xlim) 11.5 mm MOUNTING INFORMATION Recommended Enclosure Volume Sealed N/a Vented 34-62 liters / 1.2-2.2 cu.ft. Driver Volume Displaced 0.09 cu.ft. / 2.55 liters Overall Diameter 12.26", 311.4 mm Baffle Hole Diameter 11", 279.4 mm Front Sealing Gasket Yes Rear Sealing Gasket Yes Mounting Holes Diameter 0.25", 6.4mm Mounting Holes B.C.D. 11.71", 297.4mm Depth 5.63", 143 mm Net Weight 14.9 lbs, 6.76 kg Shipping Weight 17.9 lbs, 8.12 kgs MATERIALS OF CONSTRUCTION Coil Construction Aluminum voice coil Coil Former Polyimide former Magnet Composition Ferrite magnet Core Details Vented core     Basket Materials Pressed steel basket Cone Composition Paper cone Cone Edge Composition Cloth cone edge Dust Cap Composition Solid composition paper dust cap Frequency Response