Eighteen Sound 10NW750 16Ω

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.1dB
• Frequency response 50 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 52Hz
• Mechanical quality factor QMS 4.36
• Electrical quality factor QES 0.40
• Total quality factor QTS 0.36

Large signal parameters

• Maximum linear excursion xmax 7.1mm
• Air volume displaced at xmax VD 246cm³
• Power handling P 450W
• Program power Pmax 900W

Voice Coil

• Nominal impedance Z 16Ω
• DC resistance RE 11.0Ω
• Inductance (1kHz) LE 0.9mH
• VC Diameter 75mm

Magnet

• Force factor Bl 20N/A
• Motor constant Bl/√RE 6.03N/√W

Diaphragm

• Effective diameter 210mm
• Effective area SD 346cm²
• Moving mass MMS 42g
• Moving mass (without air load) MMD 37.3g

Suspensions

• Stiffness KMS 4.48N/mm
• Compliance CMS 223µm/N
• Equivalent volume to the compliance VAS 38L
• Mechanical resistance RMS 3.15N·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