Eighteen Sound 15NLW9401 4 Ohm 15″ 1200W Loudspeaker

Eighteen Sound 15NLW9401 4 Ohm 15″ 1200W Loudspeaker

GENERAL SPECIFICATIONS

Nominal Diameter 380mm (15 in)
Rated Impedance 4 ohms
AES Power 1200W
Program Power 2400W
Peak Power 7000W
Sensitivity 97,5 dB
Frequency Range 37 – 2300 Hz
Power Compression @ -10 dB 0,7 dB
Power Compression @ -3 dB 1,4 dB
Power Compression @ 0 dB 2,0 dB
Max Recomm. Frequency 500 Hz
Recomm. Enclosure Volume 60 ÷ 130 lt. (2,12 ÷ 4,59 cuft)
Minimum Impedance 7,2 ohms at 25°C
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 water repellent treated paper

THIELE SMALL PARAMETERS

Fs 39 Hz
Re 5,2 ohms
Sd 0,09 sq.mt. (139,5 sq.in.)
Qms 4,13
Qes 0,28
Qts 0,26
Vas 134 lt (4,73 cuft)
Mms 140 gr (0,31 lb)
BL 25,4 Tm
Linear Mathematical Xmax ±10 mm (±0,39 in)
Le (1kHz) 1,9 mH
Ref. Efficiency 1W@1m (half space) 96,7 dB

MOUNTING INFORMATION

Overall diameter 393 mm (15,47 in)
N. of mounting holes 8
Mounting holes diameter 7,15 mm (0,28 in)
Bolt circle diameter 371 mm (14.6 in)
Front mount baffle cutout diameter 354 mm (13.93 in)
Rear mount baffle cutout diameter 360 mm (14.17 in)
Total depth 180 mm (7.13 in)
Flange and gasket thickness 12,5 mm (0.49 in)
Net weight 7,6 kg (16.78 lb)
Shipping weight 8,2 kg (18.96 lb)
CardBoard Packaging dimensions 405x405x214 mm (15,94×15.94×8,43 in)