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Eighteen Sound


Šifra Proizvoda: 85578

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199 €


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The 15LW2400 has been developed as an evolution of the 15LW1401 low frequency transducer, setting a new industry standard in 15" (380 mm) ferrite high performance transducers. The speaker has been designed for use as a low bass or sub-woofer component in a compact cabinet (60 - 130 lt) reflex configuration, providing clean, linear, undistorted low frequency reproduction at very high power levels. The high excursion capabilities of the Double Silicon Spider (DSS) enable the 15LW2400 to achieve high levels of linear travel and maintain full control of the moving mass.

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The fiberglass fiber reinforced, straight-sided ribbed cone assures smooth response with high internal damping. The 100 mm Ø copper voice coil employs the Interleaved Sandwich Voice coil (ISV) technology, in which a high strength fiberglas former carries windings on both the outer and inner surfaces to achieve a mass balanced coil. The weight of the windings are evenly distributed, providing a uniform motive drive. The already low distortion and sound quality of 15LW2400 has been further improved by the Double Demodulation Rings (DDR) designed to dramatically reduce the intermodulation and harmonic distortion whilst improving the transient response. Excellent heat dissipation has been achieved by incorporating air channels between the basket and the top plate of the magnet. Further ventilation is provided using air vents in the back plate that direct air into the lower part of the voice coil gap. In order to furtherly increase power handling and reduce power compression figure, 15LW2400 uses the same voice coil ventilation technology developed for our flagship 9000 neodymium transducer series. A low density material air diffractor is placed into the backplate acting as a cooling system, increasing power handling capability and lowering the power compression figure. As a final result the transducer shows 1 dB reduction in full power power compression value if compared to 15LW1401, and a program power handling value of 2400 Watt. 10% reduction in weight have been obtained optimizing the magnetic structure through advanced FEA CAD simulation tools. The 15LW2400 ability to perform properly under inclement weather conditions has been achieved using an exclusive cellulose treatment which gives water repellent properties to both sides of the cone. In addition, an epoxy coating is applied to metal plates in order to resist against the corrosive effects of salts and oxidization.

General Specifications

Nominal Diameter 380 mm (15 in)
Rated Impedance 8 Ohm
AES Power 1200 W
Program Power 2400 W
Peak Power 7000 W
Sensitivity 97 dB
Frequency Range 40 ÷ 2200 Hz
Power Compression @-10dB 0,7 dB
Power Compression @-3dB 1,5 dB
Power Compression @Full Power 2,2 dB
Max Recomm. Frequency 500 Hz
Recomm. Enclosure Volume 60 ÷ 130 lt. (2.12 ÷ 4.59 cuft)
Max Peak To Peak Excursion 38 mm (1,53 in)
Voice Coil Diameter 100 mm (4 in)
Voice Coil Winding Material copper
Suspension Triple roll, Polycotton
Cone Straight ribbed, Fiberglass reinforced treated cellulose

Thiele Small Parameters

Fs 40 Hz
Re 5,3 Ohm
Sd 0,090 sq.mt. (139,5 sq.in.)
Qms 4,75
Qes 0,32
Qts 0,3
Vas 131 lt. (4.63 cuft)
Mms 138 gr. (0,30 lb)
BL 24 Tm
Linear Mathematical Xmax ± 10 mm (±0,39 in)
Le (1kHz) 1,25 mH
Ref. Efficiency 1W@1m (half space) 96,4 dB

Mounting information

Overall diameter 393 mm (15.47 in)
N. of mounting holes and bolt 8
Mounting holes diameter 7,15 mm (0,28 in)
Bolt circle diameter 371 mm (14.6 in)
Front mount baffle cutout ø 354mm (13.93 in)
Rear mount baffle cutout ø 360 mm (14.17 in)
Total depth 181 mm (7.13 in)
Flange and gasket thickness 12,5 mm (0,49 in)
Flange and gasket thickness 12,5 mm (0,49 in)
Net weight 11,2 kg (24.7 lb)
Shipping weight 12,2 kg (26.9 lb)
CardBoard Packaging dimensions 405 x 405 x 214 mm (15,94 x 15,94 x 8,43 in)

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