Eighteen Sound 18W2001

Eighteen Sound 18W2001
Eighteen Sound 18W2001
General Specifications Datasheet
Brand Eighteen Sound
Reference 18W2001
Size 18 in
460 mm
Type Low frequency
Impedance Z 8 Ω
Minimum impedance Zmin 7.3 Ω
Nominal Power P 1200 W
Program Power Pmax 2400 W
Sensitivity SPL 99 dB
Usable frequency range 37 - 3000 Hz
Recommended crossover 500 Hz
  • 99 dB SPL 1W / 1m average sensitivity
  • 100 mm (4 in) Interleaved Sandwich ISV copper voice coil
  • 1200 W AES power handling
  • Double Silicon Spider (DSS) for improved excursion control and linearity
  • Improved heat dissipation via unique basket design and multi-cell air diffractor
  • Weather protected cone and plates for outdoor usage
  • Suitable for high SPL subwoofer designs
Eighteen Sound 18W2001 Frequency response
Eighteen Sound 18W2001 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 37 Hz
Surface area of cone Sd 1134 cm²
DC resistance Re 5.8 Ω
Mechanical Q Qms 7.29
Electromagnetic Q Qes 0.26
Total Q factor Qts 0.25
Mechanical suspension compliance Cms 126 µm/N
Compliance equivalent air volume Vas 230 liters
Moving mass Mmd 121 g
Moving mass (including airload) Mms 143 g
Mechanical resistance Rms 4.6 N·s/m
BL product BL 27.1 T·m
Voice coil inductance Le 1.9 mH
Maximum linear excursion (one way) Xmax 7 mm
Maximum mechanical limit (one way) Xlim 18 mm
Efficiency η₀ 4.57 %
Efficiency bandwidth product EBP 142
Effective diaphragm diameter Ø 38 cm
Import this driver in a simulation software:
WinISD 18Sound 18W2001.wdr
Hornresp 18Sound 18W2001.txt
Basta! 18Sound 18W2001.bastaelement
Eighteen Sound 18W2001 Dimensions
Dimensions
Overall diameter 462 mm
Baffle hole diameter 412 mm
Overall depth 205.9 mm
Flange thickness 19 mm
Net weight 11.5 kg
Materials of construction
Diaphragm material Paper
Diaphragm shape Curvilinear
Surround material Polycotton
Voice Coil Parameters
Voice coil diameter 100 mm
Coil material Copper
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