8 ohms Power Rating Watts 450W Music Program 900W Resonance 45Hz Usable Frequency Range 62Hz-4.2kHz Sensitivity**
99.3 Magnet Weight 80 oz. Gap Height 0.375", 9.53mm Voice Coil Diameter 3", 76.2mm
THIELE & SMALL PARAMETERS Resonant Frequency (fs) 45Hz DC Resistance (Re) 5.41 Coil Inductance (Le) 0.77mH Mechanical Q (Qms) 7.76 Electromagnetic Q (Qes) 0.28 Total Q (Qts) 0.27 Compliance Equivalent Volume (Vas) 112.1 liters / 4.0 cu.ft. Peak Diaphragm Displacement Volume (Vd) 166cc Mechanical Compliance of Suspension (Cms) 0.30mm/N BL Product (BL) 15.2 T-M Diaphram Mass inc. Airload (Mms) 42 grams Efficiency Bandwidth Product (EBP) 161 Maximum Linear Excursion (Xmax) 3.2mm Surface Area of Cone (Sd) 519.5 cm2 Maximum Mechanical Limit (Xlim) 11.5mm
MOUNTING INFORMATION Recommended Enclosure Sealed Vented 34-62 liters/1.2-2.2 cu.ft. Overall Diameter 12.26", 311.4mm Baffle Hole Diameter 11.0", 279.5mm Front Sealing Gasket fitted as standard Rear Sealing Gasket fitted as standard Mounting Holes Diameter 0.25", 6.4mm Mounting Holes B.C. D. 11.71", 297.5mm Depth 5.63", 143mm Net Weight 14.9 lbs., 6.8 kg Shipping Weight 17.9 lbs., 8.2 kg
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 Dustcap Composition Solid composition paper dust cap
weight: 17.90 (lbs) UPC: 876358000289 Model #: KAPPA12A
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