Eighteen Sound 18LW1251

Eighteen Sound 18LW1251
Eighteen Sound 18LW1251
General Specifications Datasheet
Brand Eighteen Sound
Reference 18LW1251
Size 18 in
460 mm
Type Subwoofer
Impedance Z 8 Ω
Minimum impedance Zmin 6.4 Ω
Nominal Power P 1000 W
Program Power Pmax 1400 W
Sensitivity SPL 98 dB
Usable frequency range 35 - 3500 Hz
Recommended crossover 500 Hz
  • 98 dB SPL 1W / 1m average sensitivity
  • 100 mm (4 in) Interleaved Sandwich Voice coil (ISV)
  • 1000 W AES power handling
  • Double Silicon Spider (DSS) for improved excursion control and linearity
  • Weather protected cone and plates for outdoor usage
  • Improved heat dissipation via unique basket design and backplate vents
  • Suitable for high SPL subwoofer design
Eighteen Sound 18LW1251 Frequency response
Eighteen Sound 18LW1251 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 35 Hz
Surface area of cone Sd 1134 cm²
DC resistance Re 5 Ω
Mechanical Q Qms 8.00
Electromagnetic Q Qes 0.28
Total Q factor Qts 0.27
Mechanical suspension compliance Cms 147 µm/N
Compliance equivalent air volume Vas 268 liters
Moving mass Mmd 120 g
Moving mass (including airload) Mms 142 g
Mechanical resistance Rms 3.9 N·s/m
BL product BL 23.6 T·m
Voice coil inductance Le 2.73 mH
Maximum linear excursion (one way) Xmax 9 mm
Maximum mechanical limit (one way) Xlim 18 mm
Efficiency η₀ 3.98 %
Efficiency bandwidth product EBP 124
Effective diaphragm diameter Ø 38 cm
Import this driver in a simulation software:
WinISD 18Sound 18LW1251.wdr
Hornresp 18Sound 18LW1251.txt
Basta! 18Sound 18LW1251.bastaelement
Eighteen Sound 18LW1251 Dimensions
Dimensions
Overall diameter 462 mm
Baffle hole diameter 412 mm
Overall depth 207.9 mm
Flange thickness 19 mm
Net weight 13 kg
Materials of construction
Diaphragm material Paper
Diaphragm shape Curvilinear
Surround material Polycotton
Voice Coil Parameters
Voice coil diameter 100 mm
Coil material Copper
Similar drivers
RCF Power 900 W
LF18G401 Fs 33 Hz
18" Woofer Qts 0.29
98 dB Vas 268 L
30 - 1000 Hz Xmax 9 mm
FaitalPRO Power 1000 W
15FH510 8Ω Fs 35 Hz
15" Low frequency Qts 0.27
98 dB Vas 173.8 L
35 - 3150 Hz Xmax 9.3 mm
Eighteen Sound Power 1200 W
18LW2400WP Fs 35 Hz
18" Subwoofer Qts 0.31
98 dB Vas 230 L
30 - 2500 Hz Xmax 9.5 mm
Eighteen Sound Power 1200 W
18LW2400 Fs 35 Hz
18" Low frequency Qts 0.31
98 dB Vas 230 L
31 - 2500 Hz Xmax 9.5 mm
Eighteen Sound Power 1000 W
18LW1400 Fs 31 Hz
18" Subwoofer Qts 0.29
98 dB Vas 297 L
28 - 2500 Hz Xmax 9 mm
FaitalPRO Power 1000 W
15FH500 8Ω Fs 35 Hz
15" Low frequency Qts 0.31
98 dB Vas 180.5 L
35 - 3150 Hz Xmax 9.3 mm
LaVoce Power 1000 W
SSF184.00 Fs 35 Hz
18" Subwoofer Qts 0.40
97 dB Vas 198 L
35 - 800 Hz Xmax 8.5 mm
Eighteen Sound Power 1200 W
18NLW9400 Fs 33 Hz
18" Low frequency Qts 0.26
98 dB Vas 268 L
30 - 2500 Hz Xmax 9.5 mm
RCF Power 1000 W
L18P300 Fs 33 Hz
18" Woofer Qts 0.33
97 dB Vas 226 L
35 - 1000 Hz Xmax 8 mm
Eighteen Sound Power 1000 W
18ND9300 Fs 30 Hz
18" Low frequency Qts 0.28
98 dB Vas 316 L
28 - 2500 Hz Xmax 9.5 mm

LoudspeakerDatabase.com is not affiliated with Eighteen Sound.
This page may contain errors or inaccuracies. Please check the up-to-date specifications on the manufacturer website before starting your project.

91 ms