Eighteen Sound 15MB650

Eighteen Sound 15MB650
General Specifications Datasheet
Brand Eighteen Sound
Reference 15MB650
Size 15 in
380 mm
Type Low frequency
Impedance Z 8 Ω
Nominal Power P 400 W
Program Power Pmax 600 W
Sensitivity SPL 101.5 dB
Usable frequency range 50 - 4800 Hz
Recommended crossover 2000 Hz
  • 101,5 dB SPL 1W / 1m average sensitivity
  • 75 mm (3 in) Interleaved Sandwich Voice coil (ISV
  • 400 W AES power handling
  • Excellent transient response and cone damping
  • Improved heat dissipation via unique basket design
  • Ideal for compact two way, multiway systems and horn design
Eighteen Sound 15MB650 Frequency response
Eighteen Sound 15MB650 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 40 Hz
Surface area of cone Sd 850 cm²
DC resistance Re 5.5 Ω
Mechanical Q Qms 3.95
Electromagnetic Q Qes 0.27
Total Q factor Qts 0.26
Mechanical suspension compliance Cms 205 µm/N
Compliance equivalent air volume Vas 210 liters
Moving mass Mmd 62.7 g
Moving mass (including airload) Mms 77 g
Mechanical resistance Rms 4.9 N·s/m
BL product BL 20 T·m
Voice coil inductance Le 1.36 mH
Maximum linear excursion (one way) Xmax 4 mm
Maximum mechanical limit (one way) Xlim 10 mm
Efficiency η₀ 4.9 %
Efficiency bandwidth product EBP 148
Effective diaphragm diameter Ø 32.9 cm
Import this driver in a simulation software:
WinISD 18Sound 15MB650.wdr
Hornresp 18Sound 15MB650.txt
Basta! 18Sound 15MB650.bastaelement
Eighteen Sound 15MB650 Dimensions
Dimensions
Overall diameter 387 mm
Baffle hole diameter 357 mm
Overall depth 167.5 mm
Flange thickness 19.5 mm
Net weight 8.3 kg
Materials of construction
Diaphragm material Paper
Diaphragm shape Curvilinear
Surround material Polycotton
Voice Coil Parameters
Voice coil diameter 75 mm
Coil material Copper
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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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