FEATURES:[ Nominal Basket Diameter 8 Zoll, 203.2mm [ Nominal Impedance* 8 ohms [ Power Rating** 225W [ Resonance 65Hz [ Usable Frequency Range*** 78Hz-4.5kHz [ Sensitivity 95.1 [ Magnet Weight 34 oz. [ Gap Height 0.312 Zoll, 7.92mm [ Voice Coil Diameter 2 Zoll, 50.8mm Resonant Frequency (fs) 65Hz [ DC Resistance (Re) 5.99 [ Coil Inductance (Le) 0.49mH [ Mechanical Q (Qms) 4.95 [ Electromagnetic Q (Qes) 0.42 [ Total Q (Qts) 0.38 [ Compliance Equivalent Volume (Vas) 23.3 liters / 0.82 cu. ft. [ Peak Diaphragm Displacement Volume (Vd) 63cc [ Mechanical Compliance of Suspension (Cms) 0.37mm/N [ BL Product (BL) 9.6 T-M [ Diaphragm Mass inc. Airload (Mms) 16 grams [ Efficiency Bandwidth Product (EBP) 156 [ Maximum Linear Excursion (Xmax) 3.0mm [ Surface Area of Cone (Sd) 210.0 cm2 [ Maximum Mechanical Limit (Xlim) 7.4mm Recommended Enclosure Volume [ Sealed 5.7-9.9 liters/0.2-0.35 cu.ft. [ Vented 8.5-19 liters/0.3-0.67 cu.ft. [ Overall Diameter 8.24 Zoll, 209.2mm [ Baffle Hole Diameter 7.13 Zoll, 181mm [ Front Sealing Gasket fitted as standard [ Rear Sealing Gasket fitted as standard [ Mounting Holes Diameter 0.22 Zoll, 5.5mm [ Mounting Holes B.C.D. 7.75 Zoll, 196.9mm [ Depth 3.5 Zoll, 89mm [ Net Weight 6.6 lbs., 3 kg [ Shipping Weight 7.4 lbs., 3.4 kg Aluminum voice coil [ Polyimide former [ Ferrite magnet [ Vented core [ Pressed steel basket [ Paper Cone [ Cloth cone edge [ Solid composition paper dust cap Poducer: ";
