Eighteen Sound 10CX650

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.6dB
• Frequency response 60 - 4800Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 54Hz
• Mechanical quality factor QMS 5.90
• Electrical quality factor QES 0.39
• Total quality factor QTS 0.35

Large signal parameters

• Maximum linear excursion xmax 6mm
• Air volume displaced at xmax VD 208cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.1Ω
• Inductance (1kHz) LE 0.9mH
• VC Diameter 65mm
• Winding material Edgewound Copper

Magnet

• Force factor Bl 14N/A
• Motor constant Bl/√RE 6.2N/√W

Diaphragm

• Effective diameter 210mm
• Effective area SD 346cm²
• Moving mass MMS 39.5g
• Moving mass (without air load) MMD 34.8g
• Material Humidity repellent

Suspensions

• Stiffness KMS 4.55N/mm
• Compliance CMS 220µm/N
• Equivalent volume to the compliance VAS 36.4L
• Mechanical resistance RMS 2.27N·s/m

Dimensions

• Nominal diameter 10″
• 260mm
• Overall diameter 260mm
• Baffle cutout diameter 230mm
• Overall depth 155mm
• Flange thickness 8mm
• Mounting depth 147mm
• Volume occupied by the driver (estimated) 2.5L
• Net weight 6.2kg