KAPPA-15A 15" American Standard Series Speaker

Recommended for professional audio in a vented mid-bass or bass enclosure. Also suitable for bass guitar. Applications  Woofer | Midbass | Pro Audio | Bass Guitar Box Type: Vented | Horn Loading Specifications Download Spec Sheet Download Cab Design SPECIFICATION Nominal Basket Diameter 15", 381 mm Nominal Impedance* 8 Ω Power Rating* Program Power 900 W Watts 450 W Resonance 33 Hz Usable Frequency Range 52 Hz - 2.3 kHz Sensitivity* 100.5 dB Magnet Weight 80 oz. Gap Height 0.375", 9.5 mm Voice Coil Diameter 3", 76 mm THIELE & SMALL PARAMETERS Resonant Frequency (fs) 33 Hz DC Resistance (Re) 5.22 Ω Coil Inductance (Le) 1.05m H Mechanical Q (Qms) 8.9 Electromagnetic Q (Qes) 0.33 Total Q (Qts) 0.32 Compliance Equivalent Volume (Vas) 321.3 liters / 11.35 cu.ft. Peak Diaphragm Displacement Volume (Vd) 343 cc Mechanical Compliance of Suspension (Cms) 0.31 mm/N BL Product (BL) 15.7 T-M Diaphragm Mass Inc. Airload (MMs) 76 grams Efficiency Bandwidth Product (EBP) 98 Maximum Linear Excursion (Xmax) 4 mm Surface Area of Cone (Sd) 856.3 cm2 Maximum Mechanical Limit (Xlim) 11.6 mm MOUNTING INFORMATION Recommended Enclosure Volume Sealed N/a Vented 45-113 liters / 1.6-4 cu.ft. Driver Volume Displaced 0.138 cu.ft. / 3.92 liters Overall Diameter 15.16", 385.1 mm Baffle Hole Diameter 13.87", 352.3 mm Front Sealing Gasket Yes Rear Sealing Gasket Yes Mounting Holes Diameter 0.25", 6.4mm Mounting Holes B.C.D. 14.56", 369.8mm Depth 6.13", 155.7 mm Net Weight 17.6 lbs, 7.98 kg Shipping Weight 19.8 lbs, 8.98 kgs MATERIALS OF CONSTRUCTION Coil Construction Copper 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