Eighteen Sound 18SDS.2 LF Driver 18-inch High Power Neo Subwoofer with DSS Double Silicon Spider 1800 Watts RMS 16000 Watts Peak, ISV Interleaved Sandwich Voice Coil 2-Ohms

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Eighteen Sound 18SDS.2 LF Driver 18-inch High Power Features

• "HIGHLIGHT : Class D amplifier optimized for maximum power transfer || Conforms to Powersoft iPal standards || 95 dB SPL 1W / 1m average sensitivity || 135mm (5.3"") split winding, four layer ISV copper clad aluminum wire voice coil || 3600 W program power handling || Double Silicon Spider (DSS) for improved excursion control || "

• "SPECIFICATIONS || * Nominal Diameter 460 mm (18 ) || * Nominal Impedance 2 OHMS || * AES Power (1) 1800 W || * Program Power (2) 3600 W || * Sensitivity (3) 93 dB || * Frequency Range 29 to 4000 Hz || * Recomm. enclosure volume 80 to 150 L (2.83 to 5.30 cu.ft) ||"

• " SPECIFICATIONS || * Minimum Impedance 1.9 OHMS || * Max peak to peak excursion 33 mm (1.30 in) || * Voice coil diameter 135 mm (5.3 in) || * Voice coil winding material CCAW || * Voice coil | Magnetic gap height 45 mm | 18 mm (1.77 in | 0.71 in) || * Suspension Triple Roll, Polycotton || * Cone Ribbed, Water repellent, Treated Paper || "

• "THIELE SMALL PARAMETERS (4) * Fs 29 Hz || * Sd 1225.4 sq.cm (189.9 sq.in) || * Qms 7.0 || * Qes 0.18 Free air Impedance curve || * Qts 0.17 || * Vas 136 L (4.79 cu.ft) || * Mms 444 g (0.98 lb) || * BL 24.4 Tm || * Xmax (5) +/-18 mm (+/-0.71 in) || * Xvar (6) +/-15 mm (+/-0.59 in) || * Le (1 kHz) 0.93 mH || * Ref. Efficiency (half space) 2.0 % || "

• "MOUNTING AND SHIPPING INFO || * Overall diameter 462 mm (18.2 in) || * N. of mounting holes 8 || * Mounting holes diameter 8.5 mm (0.33 in) || * Bolt circle diameter 440 mm (17.3 in) || * Baffle cutout diameter 417 mm (16.4 in) || * Total depth 237 mm (9.3 in) || * Flange and gasket thickness 24 mm (0.9 in) || * Net weight 18 kg (39.7 lb) || * Shipping weight 18.5 kg (40.8 lb) || * DSS Double Silicon Spider, ISV Interleaved Sandwich Voice Coil || "

About Eighteen Sound 18SDS.2 LF Driver 18-inch High Power