Eighteen Sound 10NTLS2000

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.6dB
• Frequency response 50 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 50Hz
• Mechanical quality factor QMS 4.90
• Electrical quality factor QES 0.27
• Total quality factor QTS 0.26

Large signal parameters

• Maximum linear excursion xmax 7.4mm
• Air volume displaced at xmax VD 256cm³
• Power handling P 350W
• Program power Pmax 700W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.2Ω
• Inductance (1kHz) LE 0.74mH
• VC Diameter 51mm
• Winding height HVC 19mm
• Winding material Aluminum

Magnet

• Force factor Bl 16.7N/A
• Motor constant Bl/√RE 7.32N/√W
• Air gap height HAG 8.5mm
• Material Neodymium

Diaphragm

• Effective diameter 210mm
• Effective area SD 346cm²
• Moving mass MMS 47g
• Moving mass (without air load) MMD 42.3g
• Material Weather protected

Suspensions

• Stiffness KMS 4.63N/mm
• Compliance CMS 216µm/N
• Equivalent volume to the compliance VAS 38L
• Mechanical resistance RMS 3.01N·s/m

Dimensions

• Nominal diameter 10″
• 260mm
• Overall diameter 260mm
• Baffle cutout diameter 233mm
• Overall depth 141mm
• Flange thickness 10mm
• Mounting depth 131mm
• Volume occupied by the driver (estimated) 1.1L
• Net weight 1.9kg