Speaker 12"30H120SRW38B ACR Pro New

Woofer HIFI SPECIFICATION Nominal Diameter 12 inch Nominal Impedance 8 ohm Cone material Black Paper Coating Edge Rubber Maximum Power 500 watt Magnet Weight 28.5 Oz Frequency Response 31 Hz 5.5 KHz Sensitivity 1 M / 1 W 92 dB Voice Coil Diameter 1.3 inch / 3.55 mm THIELE SMALL PARAMETER Resonance Frequency Fs 31 Hz DC resistance Re 7.2 ohm Mechanical Factor Qms 3.94 Electical Factor Qes 0.65 Total Factor Qts 0.56 BL Factor BL 10 N/A Effective moving mass Mms 46.7 Gram Equivalent cas air load Vas 203.6 Liter Effective piston area Sd 510.7 Cm2 Voice coil inductance Le 0.60 mH Half space efficiency Eff 0.91 % MOUNTING INFORMATION Overall Diameter 305 mm Bolt Circle Diameter 293 mm Bolt Hole Diameter 5 mm Front Mount 274 mm Overall depth 110 mm