Description
A 12″ subwoofer rated at 400W.
THIELE & SMALL PARAMETERS Resonant Frequency (fs) 22Hz DC Resistance (Re) 4.29 Coil Inductance (Le) 1.48mH Mechanical Q (Qms) 13.32 Electromagnetic Q (Qes) 0.39 Total Q (Qts) 0.38 Compliance Equivalent Volume (Vas) 125.2 liters / 4.4 cu.ft. Peak Diaphragm Displacement Volume (Vd) 659cc Mechanical Compliance of Suspension (Cms) 0.35mm/N BL Product (BL) 15.0 T-M Diaphram Mass inc. Airload (Mms) 146 grams Efficiency Bandwidth Product (EBP) 56 Maximum Linear Excursion (Xmax) 13.0mm Surface Area of Cone (Sd) 506.7 cm2 Maximum Mechanical Limit (Xlim) 22mm MOUNTING INFORMATION Recommended Enclosure Sealed 22.7-28.3 liters/ 0.8-1 cu.ft. Vented 45.3-101.9 liters/1.6-3.6 cu.ft. Overall Diameter 12.32″, 312.8mm Baffle Hole Diameter 10.98″, 278.9mm Front Sealing Gasket fitted as standard Rear Sealing Gasket fitted as standard Mounting Holes Diameter 0.26″, 6.6mm Mounting Holes B.C. D. 11.77″, 299mm Depth 6.44″, 164mm Net Weight 22 lbs., 10 kg Shipping Weight 23.8 lbs., 10.8 kg MATERIALS OF CONSTRUCTION Coil Construction Copper voice coil Coil Former Polyimide former Magnet Composition Double stacked 80 oz. ferrite magnets Core Details Vented and extended core Basket Materials 12-spoke die-cast aluminum basket Cone Composition Kevlar-reinforced paper cone Cone Edge Composition Foam cone edge Dustcap Composition Dual inverted dust caps
SPECIFICATION Nominal Basket Diameter 12", 304.8mm Nominal Impedance* 6 ohms Power Rating Watts 400W Music Program 800W Resonance 22Hz Usable Frequency Range 25Hz-125Hz Sensitivity*** 89.2 Magnet Weight 160 oz. Gap Height 0.375", 9.53mm Voice Coil Diameter 2.5", 63.5mm
