FEATURES:[ Nominal Basket Diameter 12 Zoll, 304.8mm [ Nominal Impedance* 8 ohms [ Power Rating** 250W [ Resonance 47Hz [ Usable Frequency Range*** 43Hz-3.8kHz [ Sensitivity 98 [ Magnet Weight 38 oz. [ Gap Height 0.312 Zoll, 7.92mm [ Voice Coil Diameter 2 Zoll, 50.8mm [ Resonant Frequency (fs) 47Hz [ DC Resistance (Re) 5.0 [ Coil Inductance (Le) 0.64mH [ Mechanical Q (Qms) 6.00 [ Electromagnetic Q (Qes) 0.50 [ Total Q (Qts) 0.46 [ Compliance Equivalent Volume (Vas) 120.1 liters / 4.2 cu. ft. [ Peak Diaphragm Displacement Volume (Vd) 237cc [ Mechanical Compliance of Suspension (Cms) 0.29mm/N [ BL Product (BL) 10.8 T-M [ Diaphragm Mass inc. Airload (Mms) 40 grams [ Efficiency Bandwidth Product (EBP) 94 [ Maximum Linear Excursion (Xmax) 4.4mm [ Surface Area of Cone (Sd) 538.9 cm2 [ Maximum Mechanical Limit (Xlim) 11mm [ Recommended Enclosure Volume [ Sealed 25.5-35.4 liters, 0.9-1.25 cu.ft. [ Vented 36.8-139 liters/1.3-4.9 cu.ft. [ Overall Diameter 12.03 Zoll, 305.5mm [ Baffle Hole Diameter 10.95 Zoll, 278.1mm [ Front Sealing Gasket standard fitted as standard [ Rear Sealing Gasket standard fitted as standard [ Mounting Holes Diameter 0.25 Zoll, 6.4mm [ Mounting Holes B.C.D. 11.59 Zoll, 294.3mm [ Depth 4.57 Zoll, 116mm [ Net Weight 7.5 lbs., 3.4 kg [ Shipping Weight 9.7 lbs., 4.4 kg [ Copper voice coil [ Polyimide former [ Ferrite magnet [ Vented and extended core [ Pressed steel basket [ Paper Cone [ Cloth cone edge [ Solid composition paper dust cap Poducer: ";
