Eighteen Sound 12LW1400

Eighteen Sound 12LW1400
General Specifications Datasheet
Brand Eighteen Sound
Reference 12LW1400
Size 12 in
300 mm
Type Subwoofer
Impedance Z 8 Ω
Minimum impedance Zmin 6.8 Ω
Nominal Power P 900 W
Program Power Pmax 1400 W
Sensitivity SPL 96 dB
Usable frequency range 51 - 4000 Hz
Recommended crossover 1000 Hz
  • 96 dB SPL 1W / 1m average sensitivity
  • 100 mm (4 in) Interleaved Sandwich Voice coil (ISV)
  • 900 W AES power handling
  • Double Silicon Spider (DSS) for improved excursion control and linearity
  • Double Demodulating Ring (DDR) for lower distortion
  • Improved heat dissipation via unique basket design
  • Weather protected cone and plates for outdoor usage
  • Specially designed for high loading compact subwoofers
Eighteen Sound 12LW1400 Frequency response
Eighteen Sound 12LW1400 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 45 Hz
Surface area of cone Sd 530 cm²
DC resistance Re 5.2 Ω
Mechanical Q Qms 5.00
Electromagnetic Q Qes 0.32
Total Q factor Qts 0.30
Mechanical suspension compliance Cms 138 µm/N
Compliance equivalent air volume Vas 55 liters
Moving mass Mmd 81 g
Moving mass (including airload) Mms 88 g
Mechanical resistance Rms 5 N·s/m
BL product BL 20 T·m
Voice coil inductance Le 1.5 mH
Maximum linear excursion (one way) Xmax 8.25 mm
Maximum mechanical limit (one way) Xlim 18 mm
Efficiency η₀ 1.5 %
Efficiency bandwidth product EBP 140
Effective diaphragm diameter Ø 26 cm
Import this driver in a simulation software:
WinISD 18Sound 12LW1400.wdr
Hornresp 18Sound 12LW1400.txt
Basta! 18Sound 12LW1400.bastaelement
Eighteen Sound 12LW1400 Dimensions
Dimensions
Overall diameter 315 mm
Baffle hole diameter 282 mm
Overall depth 141 mm
Flange thickness 17.5 mm
Net weight 10.9 kg
Materials of construction
Diaphragm material Paper
Diaphragm shape Straight
Surround material Polycotton
Voice Coil Parameters
Voice coil diameter 100 mm
Coil material Aluminum
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This page may contain errors or inaccuracies. Please check the up-to-date specifications on the manufacturer website before starting your project.

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