LEAN AUDIO No.1 for PA Loudspeakers, Guitar Speakers, Bass Guitar Speakers & HI FI speakers

18 Sound 21NLW4000 1500watt 8ohm Extended LF Neodymium Driver

£548.95

Quantity:

18 Sound 21NLW4000 1500watt 8ohm Extended LF Neodymium Driver 8ohm

94 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

Designed & manufatured 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 21NLW4000

note: Price includes VAT

General Specifications

Nominal Diameter
533mm (21 in)
Rated Impedance
8 Ohm
AES Power
1500W
Program Power
3200 W
Peak Power
7200 W
Sensitivity
94 dB
Frequency Range
30-1800Hz
Power Compression
@-10dB 0,62 dB Power
Compression
@-3dB 2,18 dB
Power Compression
@Full Power 3,57 dB
Max Recomm. Frequency
150Hz
Recomm. Enclosure Volume
120-300 lt (4.24 - 10.60 cuft)
Minimum Impedance
6 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, Polycotton
Cone Complex Composite

Thiele Small Parameters

Fs
29 Hz
Re
4,9 Ohm
Sd
0,166 sq. mt. (257,30 sq. in.)
Qms
22,0
Qes
0,38
Qts
0,37
Vas
305 lt. (10,77 cuft)
Mms
380 gr. (0,83 lb)
BL
30,0 Tm
Linear Mathematical Xmax
± 15 mm (± 0,59 in)
Le
(1kHz) 2,80 mH
Ref. Efficiency 1W@1m (half space) 2%

Mounting information

Overall diameter
545mm (21,46 in)
N. of mounting holes and bolt
8
Mounting holes diameter
8,5 mm (0,33 in)
Bolt circle diameter
520mm (20.47 in)
Front mount baffle cutout
ø 492 mm (19,37 in)
Rear mount baffle cutout
ø 490 mm (19,29 in)
Total depth
245 mm (9,64 in)
Flange and gasket thickness
18 mm (0,7 in)
Net weight
11,6 kg (25.5 lb)
Shipping weight
13,1 Kg (28,8 lb)
Packaging Dimensions
13,1 Kg (28,8 lb)


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  • 8 Units in Stock