ScanSpeak 32W/4878T05 Gold Series 32 cm Subwoofer 4 ohm, Paper Sandwich Cone, Ferrite Magnet Paper sandwich cone w. patented foam filling Patented Symmetrical Drive motor Large dustcap w. logo Extreme long linear excursion (+/-14mm) 3" coil, Titanium former, paper reinforced Stiff robust die cast alu chassis Parameters: Size (inches) 13 Fs (Hz) 17 Re (ohms) 3.1 Sensitivity (dB) 89 Qt 0.32 VAS (ltr) 180 Xmax ± (mm) 14 Elementin datalehti