FEATURES:[ Nominal Basket Diameter 12 Zoll, 304.8mm [ Nominal Impedance* 8 ohms [ Power Rating** 225W [ Resonance 45Hz [ Usable Frequency Range*** 48Hz-8kHz [ Sensitivity 97.7 [ Magnet Weight 38 oz. [ Gap Height 0.312 Zoll, 7.92mm [ Voice Coil Diameter 2 Zoll, 50.8mm [ Resonant Frequency (fs) 45Hz [ DC Resistance (Re) 7.37 [ Coil Inductance (Le) 0.83mH [ Mechanical Q (Qms) 6.44 [ Electromagnetic Q (Qes) 0.55 [ Total Q (Qts) 0.51 [ Compliance Equivalent Volume (Vas) 136.3 liters / 4.8 cu. ft. [ Peak Diaphragm Displacement Volume (Vd) 170cc [ Mechanical Compliance of Suspension (Cms) 0.34mm/N [ BL Product (BL) 11.7 T-M [ Diaphragm Mass inc. Airload (Mms) 36 grams [ Efficiency Bandwidth (EBP) Product 82 [ Maximum Linear Excursion (Xmax) 3.2mm [ Surface Area of Cone (Sd) 532.4 cm2 [ Maximum Mechanical Limit (Xlim) 8.0mm [ Recommended Enclosure Volume [ Sealed 14-51 liters/0.5-1.8 cu.ft. [ Vented 56.6-116 liters/2-4.1 cu.ft. [ Overall Diameter 12.03 Zoll, 305.5mm [ Baffle Hole Diameter 10.95 Zoll, 278.1mm [ Front Sealing Gasket fitted as standard [ Rear Sealing Gasket fitted as standard [ Mounting Holes Diameter 0.25 Zoll, 6.4mm [ Mounting Holes B.C.D. 11.59 Zoll, 294.3mm [ Depth 4.47 Zoll, 114mm [ Net Weight 8.1 lbs., 3.7 kg [ Shipping Weight 10.2 lbs., 4.6 kg [ Copper voice coil [ Polyimide former [ Ferrite magnet [ Vented core [ Pressed steel basket [ Paper Cone [ Cloth cone edge [ Solid composition paper dust cap Poducer: ";
