商品をご覧頂き誠にありがとうございます。 Equally Spaced As Shown3/4 in [197 mm] Mtg Dia. TECHNICAL DATARFP-1208 Nominal Diameter8 in [203 mm]Magnet Weight60oz [1701g] Frequency Range40-200Hz Nominal Impedance2 x 402 x 3.60 DC Resistance (Re)Resonance Frequency (fs)40Hz Mechanici Q Factor (Qms)5.13Electrical Q Factor (Qes)0.38 08 3/16 in [208 mm]Total Q Factor (Qts)0.361/2 in [13 mm]Effective Cone Area (Sd)34.1 in^2 [0.022m^2]Equivalent Air Volume (Vas)55 ft^3 [15.5L]Compliance (Cms)2.25E-044 1/2 in [114 mm]Moving Mass (Mms)2.49oz [70.6g] 2.00 in [50.8 mm]Voice Coil Diameter1.110 in [28.2 mm]Voice Coil Winding Height5 7/16 in [138 mm] 07 1/16 in [179 mm]5 Mil Black AluminumVoice Coll Former Material60/100Voice Coil Inductance1.20mH/9.8Tm/45Force Factor (BI)90Linear Excursion (Xmax)0.41 in [10.3 mm]30 Sensitivity. ご安心してお買い求め下さい。 * 写真で判断してください ! * 送料込 よろしくお願いします。