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18 Sound 18LW2500 "THE BEAST" 18" 8ohm 1600watt Extended LF Ferrite speaker


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18 Sound (Eighteen Sound) 18LW2500 "THE BEAST"18" 1600watt 8 ohm Extended LF Ferrite Loudspeaker

95 dB SPL 1W / 1m average sensitivity
100 mm (4 in) Interleaved Sandwich Voice coil (ISV)
3200W program power handling
70 mm (2,76 in) peak to peak excursion
Ultra linear dual magnet motor design
Composite reinforced straight ribbed cone
Optimized high grade ferrite magnet assembly
Recommended for subwoofer usage in compact vented or bandpass enclosures
Superb in Scoop designs

Designed & manufactured in Italy and provided exclusively by Lean Business, this Eighteen Sound speaker comes complete wth 2 years warranty.

See specification tab for technical details or Click HERE for full details, response curves and Thiele & Small parameters. (opens in new window)

Model: 18 Sound 18LW2500
note: Price includes VAT


Nominal Diameter
462 mm (18 in)
Rated Impedance 8 Ohm
AES Power 1600 W
Program Power 3200 W
Peak Power 7200 W
Sensitivity 95 dB
Frequency Range 30 Hz - 1000 Hz
Power Compression @-10dB 0,6 dB
Power Compression @-3dB 2,2 dB
Power Compression @Full Power 3,3 dB
Max Recomm. Frequency 250 Hz
Recomm. Enclosure Volume 160-350 lt (4.59 - 12.37 cuft)
Minimum Impedance 6,1 @ 25°
Max Peak To Peak Excursion 70 mm (2,76 in)
Voice Coil Diameter 100 mm (4 in)
Voice Coil winding material Copper wire
Suspension Triple roll, Heavy Polycotton
Cone Curved ribbed fiber loaded cellulose


Fs 34 Hz
Re 4,9 Ohm
Sd 0,113 sq.m (175,15 sq.in)
Qms 22
Qes 0,34
Qts 0,33
Vas 135 lt. (4.76 cu.ft)
Mms 290 gr. (0,64 lb)
BL 30 Tm
Linear Mathematical Xmax ±14 mm (±0,55 in)
Le (1kHz) 2,87 mH
Ref. Efficiency 1W@1m (half space) 93,8 dB


Overall diameter 462 mm (18,18 in)
N. of mounting holes 8
Mounting holes diameter 8,5 mm (0,33 in)
Bolt circle diameter 440 mm (17,32 in)
Front mount baffle cutout ø 416 mm (16,38 in)
Rear mount baffle cutout ø 422 mm (16,61 in)
Total depth 234 mm (9,21 in)
Flange and gasket thickness 26 mm (1,02 in)
Net weight 16,7 kg (36,8 lb)
Shipping weight 18,2 kg (40,1 lb)
Packaging Dimensions 18,2 kg (40,1 lb)

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