18 Sound (Eighteen Sound) 18NLW4000 18" Neo 1600watt 8 ohm Extended LF Loudspeaker

95 dB SPL 1W / 1m average sensitivity
100 mm (4 in) Interleaved Sandwich Voice coil (ISV)
3200 W program power handling
70 mm (2,76 in) peak to peak excursion
Composite reinforced straight ribbed cone
Optimized high grade neodymium 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 18NLW4000
note: Price includes VAT

GENERAL SPECIFICATIONS

Nominal Diameter 462mm
Rated Impedance 8 Ohm
AES Power 1600 W
Program Power 3200 W
Peak Power 7200 W
Sensitivity 95 dB
Frequency Range 30 - 1000 Hz
Power Compression @-10dB 0.62 dB
Power Compression @-3dB 2,18 dB
Power Compression @Full Power 3,57 dB
Max Recomm. Frequency 250Hz
Recomm. Enclosure Volume 130 - 350 lt (4.59 - 12.37 cuft)
Minimum Impedance 6,1 Ohm at 25°C
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

THIELE SMALL PARAMETERS

Fs 34 Hz
Re 5,1 Ohm
Sd 0,113 sq.m (175,15 sq.in)
Qms 6,0
Qes 0,34
Qts 0,33
Vas 134 lt. (4.7 cu.ft)
Mms 290 gr. (0,64 lb)
BL 30,5 Tm
Linear Mathematical Xmax ± 14.5 mm (± 0,57 in)
Le (1kHz) 2,87 mH
Ref. Efficiency 1W@1m (half space) 93.8 dB

MOUNTING INFORMATION

Overall diameter 462 mm (18,19 in)
N. of mounting holes and bolt 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 227 mm (8,93 in)
Flange and gasket thickness 26 mm (1,02 in)
Net weight 9,8 kg (21,6 lb)
Shipping weight 11,3 kg (24,9 lb)
CardBoard Packaging dimensions 482x482x257 mm (18,98x18,98x10,12 in)