Eighteen Sound 8CX650

Eighteen Sound 8CX650
Eighteen Sound 8CX650
General Specifications Datasheet
Brand Eighteen Sound
Reference 8CX650
Size 8 in
200 mm
Type Coaxial
Impedance Z 8 Ω
Minimum impedance Zmin 5.8 Ω
Nominal Power P 200 W
Program Power Pmax 400 W
Sensitivity SPL 91 dB
Usable frequency range 60 - 15000 Hz
Recommended crossover 1800 Hz
  • 91 dB LF/106 dB HF SPL 1W/1m average sensitivity
  • Single magnet motor
  • 400W LF - 140W HF maximum program power Handling
  • 65 mm (2.5") Edge wound Aluminum LF voice coil (EWAL)
  • 44 mm (1.75") HF PEN diaphragm
  • Proprietary Phase Plug design
  • HF copper sleeve for reduced distortion and higher output
  • 90 degrees nominal conical dispersion
  • Atmos™ ready
  • Extended LF design
  • Suitable for very compact enclosures and stage monitors
Eighteen Sound 8CX650 Frequency response
Eighteen Sound 8CX650 Impedance
Eighteen Sound 8CX650 Directivity map
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 65 Hz
Surface area of cone Sd 227 cm²
DC resistance Re 5.3 Ω
Mechanical Q Qms 6.40
Electromagnetic Q Qes 0.37
Total Q factor Qts 0.35
Mechanical suspension compliance Cms 227 µm/N
Compliance equivalent air volume Vas 16.6 liters
Moving mass Mmd 23.6 g
Moving mass (including airload) Mms 25.6 g
Mechanical resistance Rms 1.6 N·s/m
BL product BL 12 T·m
Voice coil inductance Le 0.7 mH
Maximum linear excursion (one way) Xmax 6 mm
Maximum mechanical limit (one way) Xlim 13 mm
Efficiency η₀ 1.2 %
Efficiency bandwidth product EBP 175
Effective diaphragm diameter Ø 17 cm
Import this driver in a simulation software:
WinISD 18Sound 8CX650.wdr
Hornresp 18Sound 8CX650.txt
Basta! 18Sound 8CX650.bastaelement
Eighteen Sound 8CX650 Dimensions
Dimensions
Overall diameter 210 mm
Baffle hole diameter 185.5 mm
Overall depth 132 mm
Flange thickness 8.8 mm
Net weight 5.6 kg
Materials of construction
Diaphragm material Water Resistant Composite
Diaphragm shape Straight
Surround material Polycotton
Voice Coil Parameters
Voice coil diameter 65 mm
Coil material Edgewound 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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