FEATURES:[ Nominal Basket Diameter 10 Zoll, 254mm [ Nominal Impedance* 8 ohms [ Power Rating** 250W [ Resonance 49Hz [ Usable Frequency Range*** 58Hz-20kHz* [ Sensitivity 93.3 [ Magnet Weight 38 oz. [ Gap Height 0.312 Zoll, 7.92mm [ Voice Coil Diameter 2 Zoll, 50.8mm Thiele & Small Parameters [ Resonant Frequency (fs) 49Hz [ DC Resistance (Re) 5.53 [ Coil Inductance (Le) 0.75mH [ Mechanical Q (Qms) 5.21 [ Electromagnetic Q (Qes) 0.43 [ Total Q (Qts) 0.39 [ Compliance Equivalent Volume (Vas) 64.2 liters / 2.3 cu. ft. [ Peak Diaphragm Displacement Volume (Vd) 173cc [ Mechanical Compliance of Suspension (Cms) 0.39mm/N [ BL Product (BL) 10.4 T-M [ Diaphragm Mass inc. Airload (Mms) 27 grams [ Efficiency Bandwidth Product (EBP) 114 [ Maximum Linear Excursion (Xmax) 5.0mm [ Surface Area of Cone (Sd) 344.9 cm2 [ Maximum Mechanical Limit (Xlim) 7.6mm Mounting Information [ Recommended Enclosure Volume [ Sealed 14.2-19.8 liters/0.5-0.7 cu.ft. [ Vented 15.6-85 liters/0.55-3 cu.ft. [ Overall Diameter 10.08 Zoll, 256.1mm [ Baffle Hole Diameter 9.05"", 229.7mm [ Front Sealing Gasket fitted as [ Rear Sealing Gasket fitted as [ Mounting Holes Diameter 0.25 Zoll, 6.4mm [ Mounting Holes B.C.D. 9.66 Zoll, 245.4mm [ Depth 3.98 Zoll, 101mm [ Net Weight 7.3 lbs., 3.3 kg [ Shipping Weight 8.4 lbs., 3.8 kg Materials of Construction [ Copper voice coil [ Polyimide former [ Ferrite magnet [ Vented and extended core [ Pressed steel basket [ Paper Cone [ Cloth cone edge [ Screened cloth dust cap Poducer: ";
