Eighteen Sound 12W500

Eighteen Sound 12W500
Eighteen Sound 12W500
Eighteen Sound 12W500
General Specifications Datasheet
Brand Eighteen Sound
Reference 12W500
Size 12 in
300 mm
Type Low frequency
Impedance Z 8 Ω
Minimum impedance Zmin 6.4 Ω
Nominal Power P 350 W
Program Power Pmax 500 W
Sensitivity SPL 99.5 dB
Usable frequency range 50 - 6000 Hz
Recommended crossover 2500 Hz
  • 99,5 dB SPL 1W / 1m average sensitivity
  • 65 mm (2,5 in) Interleaved Sandwich Voice coil (ISV)
  • 350 W AES power handling
  • Excellent transient response
  • Improved heat dissipation via unique basket design
  • Ideal for compact two way systems
Eighteen Sound 12W500 Frequency response
Eighteen Sound 12W500 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 46 Hz
Surface area of cone Sd 531 cm²
DC resistance Re 5.2 Ω
Mechanical Q Qms 6.02
Electromagnetic Q Qes 0.38
Total Q factor Qts 0.36
Mechanical suspension compliance Cms 308 µm/N
Compliance equivalent air volume Vas 123 liters
Moving mass Mmd 29.4 g
Moving mass (including airload) Mms 36.5 g
Mechanical resistance Rms 1.8 N·s/m
BL product BL 12.1 T·m
Voice coil inductance Le 1.12 mH
Maximum linear excursion (one way) Xmax 4 mm
Maximum mechanical limit (one way) Xlim 11 mm
Efficiency η₀ 3.31 %
Efficiency bandwidth product EBP 121
Effective diaphragm diameter Ø 26 cm
Import this driver in a simulation software:
WinISD 18Sound 12W500.wdr
Hornresp 18Sound 12W500.txt
Basta! 18Sound 12W500.bastaelement
Eighteen Sound 12W500 Dimensions
Dimensions
Overall diameter 315 mm
Baffle hole diameter 282 mm
Overall depth 141 mm
Flange thickness 16.5 mm
Net weight 4.5 kg
Materials of construction
Diaphragm material Paper
Diaphragm shape Curvilinear
Surround material Polycotton
Voice Coil Parameters
Voice coil diameter 64 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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