Eighteen Sound 10NCX750H

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.2dB
• Frequency response 60 - 15000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 65Hz
• Mechanical quality factor QMS 8.40
• Electrical quality factor QES 0.26
• Total quality factor QTS 0.25

Large signal parameters

• Maximum linear excursion xmax 5.5mm
• Air volume displaced at xmax VD 190cm³
• Power handling P 350W
• Program power Pmax 700W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.3Ω
• Inductance (1kHz) LE 0.54mH
• VC Diameter 75mm
• Winding height HVC 15mm
• Winding material Copper

Magnet

• Force factor Bl 19.8N/A
• Motor constant Bl/√RE 8.6N/√W
• Air gap height HAG 7.6mm
• Material Neodymium

Diaphragm

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

Suspensions

• Stiffness KMS 7.81N/mm
• Compliance CMS 128µm/N
• Equivalent volume to the compliance VAS 21.7L
• Mechanical resistance RMS 2.29N·s/m

Dimensions

• Nominal diameter 10″
• 260mm
• Overall diameter 260mm
• Mounting depth 142mm
• Volume occupied by the driver (estimated) 1.8L
• Net weight 4.25kg