Eighteen Sound 12W750

Eighteen Sound 12W750
Eighteen Sound 12W750
General Specifications Datasheet
Brand Eighteen Sound
Reference 12W750
Size 12 in
300 mm
Type Low frequency
Impedance Z 8 Ω
Minimum impedance Zmin 6.4 Ω
Nominal Power P 600 W
Program Power Pmax 1200 W
Sensitivity SPL 97 dB
Usable frequency range 50 - 4600 Hz
Recommended crossover 1800 Hz
  • 97 dB SPL 1W / 1m average sensitivity
  • 75 mm (3 in) Interleaved Sandwich Voice coil (ISV)
  • 1200 W program power handling
  • Long excursion, linear travel suspension design
  • Weather protected cone and plates for outdoor use
  • Generous low frequency output make it suitable for 2-way systems and subwoofer applications
Eighteen Sound 12W750 Frequency response
Eighteen Sound 12W750 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 49 Hz
Surface area of cone Sd 531 cm²
DC resistance Re 5.2 Ω
Mechanical Q Qms 7.00
Electromagnetic Q Qes 0.30
Total Q factor Qts 0.28
Mechanical suspension compliance Cms 183 µm/N
Compliance equivalent air volume Vas 73 liters
Moving mass Mmd 49.9 g
Moving mass (including airload) Mms 57 g
Mechanical resistance Rms 2.5 N·s/m
BL product BL 18 T·m
Voice coil inductance Le 0.95 mH
Maximum linear excursion (one way) Xmax 8 mm
Maximum mechanical limit (one way) Xlim 19 mm
Efficiency η₀ 2.88 %
Efficiency bandwidth product EBP 163
Effective diaphragm diameter Ø 26 cm
Import this driver in a simulation software:
WinISD 18Sound 12W750.wdr
Hornresp 18Sound 12W750.txt
Basta! 18Sound 12W750.bastaelement
Eighteen Sound 12W750 Dimensions
Dimensions
Overall diameter 310 mm
Baffle hole diameter 280 mm
Overall depth 148 mm
Flange thickness 13.5 mm
Net weight 7.5 kg
Materials of construction
Diaphragm material Water Resistant Pulp
Diaphragm shape Curvilinear
Surround material Polycotton
Voice Coil Parameters
Voice coil diameter 75 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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