NAKAMICHI 12" DVC Subwoofer Peak Power 4200W, RMS 600W (NSW-P1206D4)

SPECIFICATIONS Model No.: NSW-P1206D4 Nominal Diameter: 12" (312mm) Mounting Depth: 6.34" (161mm) N-Power: 600 watts Peak Power: 4200 watts Nominal Impedance: 4Ω+4Ω Frequency Response: 41Hz-1.2kHz Sensitivity (SPL/1W/1m): 86±3dB Free Air Resonance (Fo): 46Hz Suspension Compliance (Cms): 148.968UM/N Moving Mass (Mms): 126.636g Mechanical “Q” (Qms): 5.939 Electrical “Q” (Qes): 0.512 Total Speaker “Q” (Qts): 0.472 Equivalent Volume (Vas): 55.173 DC Resistance (Re): 4Ω+4Ω Effective Piston Area (Sd): 52.1mm² Force Factor (BL): 10.120T·m Reference Efficiency (No): 0.512% Voice Coil (V.C.): Φ65.5mm, ASV Magnet Mass: 101.54oz (2878.8g) Net Mass (1pc): Approx. 7.2kg