18 Sound 15NLW4500-4 15-inch Extended Low Frequency Loudspeaker 1500 Watts Rms 3000 Watts Peak 4-Ohm Motorcycle Car Pro Audio Component Sound Speaker

The 15NLW4500 is a 15-inch extended low frequency loudspeaker designed for use in vented bandpass or even horn loaded enclosures. The Loudspeaker is designed to withstand high power levels without damage while providing clean & undistorted LF reproduction at a very high SPL. For optimum results we recommend amplifiers able to deliver 3000 Watt program power. 15NLW4500 features a unique motor featuring a high grade Neo magnet assembly in a structure optimized for thermal & magnetic efficiency. 15NLW4500 features include a large displacement suspension system which, in conjunction with a composite reinforced, straight ribbed cone and the Eighteen Sound proprietary SDR technology, allows an undiostorted ultra-linear piston action and provides full mechanical control across the entire working range. The 115mm (4.5 in) state-of-the-art voice-coil utilizing Interleaved Sandwich Voice coil (ISV) technology, provides high levels of thermal stability and durability. The ISV technology achieves a balanced linear motor unit exerting an exceptionally high force factor. FEATURES || 115mm (4.5in) Interleaved Sandwich Voice coil (ISV) || Weather protected cone and plates || Great heat dissipation capability || Ultra linear suspension system || Neo motor for high power and very efficient thermal exchange || Single demodulating ring (SDR) for distortion reduction and maximum SPL || SPECIFICATIONS || Nominal Impedance : 4 ? || Minimum Impedance : 3.7 ? || Nominal Power Handling : 1500 W || Continuous Power Handling : 3000 W || Sensitivity : 96.6 dB || Frequency Range : 40 - 1000 Hz || Voice Coil Diameter : 115 mm (4.53 in) || DESIGN || Magnet Material : Neo || Recommended Enclosure : 50.0 dm3 (1.77 ft3) || Recommended Tuning : 45 Hz || PARAMETERS || Resonance Frequency : 35 Hz || Re : 3.0 ? || Qes : 0.21 || Qms : 6.38 || Qts : 0.2 || Vas : 126.0 dm3 (4.45 ft) || Sd : 881.0 cm2 (136.56 in) || ?? : 2.13 % || Xmax : 14.5 mm || Xvar : 12.0 mm || Mms : 198.0 g || Bl : 24.4 Txm || Le : 1.1 mH || EBP : 166 Hz || MOUNTING & SHIPPING INFO || Overall Diameter : 393 mm (15.47 in) || Bolt Circle Diameter : 371 mm (14.61 in) || Baffle Cutout Diameter : 356.0 mm (14.02 in) || Depth : 199 mm (7.83 in) || Flange and Gasket Thickness : 15 mm (0.61 in) || Net Weight : 11.4 kg (25.13 lb) || Shipping Weight : 12.6 kg (27.78 lb)