Eighteen Sound 15NLW4500 8-Ohm 15" Subwoofer 3000 Watts Low Frequency LoudSpeaker

Eighteen Sound 15NLW4500 8-Ohm 15" Subwoofer 3000 Watts Low Frequency LoudSpeaker

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Eighteen Sound 15NLW4500-8 T.C.
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Eighteen Sound 15NLW4500 8-Ohm 15" Subwoofer 3000 Watts Low Frequency LoudSpeaker

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

The 15NLW4500 is a 15" extended low frequency loudspeaker, designed for use in vented, bandpass or even horn loaded ì enclosures. The loudspeaker is designed to withstand high power levels without damage while providing clean and undistorted LF reproduction at a very high SPL. For optimum results we recommend amplifiers able to deliver 3000 Watt program power.

The 15NLW4500 features a unique motor featuring a high grade Neo magnet assembly in a structure optimized for thermal and 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.

SPECIFICATIONS

  • Nominal Impedance: 8 Ω

  • Minimum Impedance: 6.7 Ω

  • Nominal Power Handling1: 1500 W

  • Continuous Power Handling: 3000 W

  • Sensitivity: 96.3 dB

  • Frequency Range: 40 - 1000 Hz

  • Voice Coil Diameter: 115 mm (4.53 in)

PARAMETERS

  • Resonance Frequency: 35 Hz

  • Re: 5.4 Ω

  • Qes: 0.27

  • Qms: 7.8

  • Qts: 0.26

  • Vas: 111.0 dm3 (3.92 ft3)

  • Sd: 881.0 cm2 (136.56 in2)

  • η₀: 1.7 %

  • Xmax: 14.5 mm

  • Xvar: 12.0 mm

  • Mms: 201.0 g

  • Bl: 29.7 Txm

  • Le: 1.62 mH

  • EBP: 129 Hz

DESIGN

  • Magnet Material: Neo

  • Recommended Enclosure: 50.0 dm3 (1.77 ft3)

  • Recommended Tuning: 45 Hz

MOUNTING AND 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)

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