Eighteen Sound 10NDA610

• Sensitivity (1W, 1m, infinite baffle) SPL1W 100.9dB
• Frequency response 100 - 6100Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 89Hz
• Mechanical quality factor QMS 7.10
• Electrical quality factor QES 0.24
• Total quality factor QTS 0.23

Large signal parameters

• Maximum linear excursion xmax 2.5mm
• Air volume displaced at xmax VD 88cm³
• Power handling P 400W
• Program power Pmax 600W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.5Ω
• Inductance (1kHz) LE 0.06mH
• VC Diameter 75mm
• Winding material Aluminum

Magnet

• Force factor Bl 20.3N/A
• Motor constant Bl/√RE 8.66N/√W
• Material Neodymium

Diaphragm

• Effective diameter 211mm
• Effective area SD 350cm²
• Moving mass MMS 30g
• Moving mass (without air load) MMD 25.3g
• Material Weather protected

Suspensions

• Stiffness KMS 9.35N/mm
• Compliance CMS 107µm/N
• Equivalent volume to the compliance VAS 18L
• Mechanical resistance RMS 2.36N·s/m

Dimensions

• Nominal diameter 10″
• 260mm
• Overall diameter 260mm
• Baffle cutout diameter 232mm
• Overall depth 96mm
• Flange thickness 14mm
• Mounting depth 82mm
• Volume occupied by the driver (estimated) 1.3L
• Net weight 3.5kg