Eighteen Sound 10NW750

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.3dB
• Frequency response 50 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 53Hz
• Mechanical quality factor QMS 5.74
• Electrical quality factor QES 0.32
• Total quality factor QTS 0.31

Large signal parameters

• Maximum linear excursion xmax 7.5mm
• Air volume displaced at xmax VD 255cm³
• Power handling P 450W
• Program power Pmax 900W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.8Ω
• Inductance (1kHz) LE 0.6mH
• VC Diameter 75mm
• Winding material Aluminum

Magnet

• Force factor Bl 16.4N/A
• Motor constant Bl/√RE 6.81N/√W
• Material Neodymium

Diaphragm

• Effective diameter 208mm
• Effective area SD 340cm²
• Moving mass MMS 45g
• Moving mass (without air load) MMD 40.4g
• Material Weather protected

Suspensions

• Stiffness KMS 5N/mm
• Compliance CMS 200µm/N
• Equivalent volume to the compliance VAS 34L
• Mechanical resistance RMS 2.61N·s/m

Dimensions

• Nominal diameter 10″
• 260mm
• Overall diameter 260mm
• Baffle cutout diameter 232mm
• Overall depth 130mm
• Flange thickness 11mm
• Mounting depth 119mm
• Volume occupied by the driver (estimated) 1.7L
• Net weight 3.8kg