Ciare CME250

• Sensitivity (1W, 1m, infinite baffle) SPL1W 92.2dB
• Frequency response 70 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 48Hz
• Mechanical quality factor QMS 5.70
• Electrical quality factor QES 0.53
• Total quality factor QTS 0.48

Large signal parameters

• Maximum linear excursion xmax 4.5mm
• Air volume displaced at xmax VD 171cm³
• Power handling P 220W
• Program power Pmax 450W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.0Ω
• Inductance (1kHz) LE 0.4mH
• VC Diameter 50mm
• Winding height HVC 12.5mm
• Winding material Copper
• Former material Glass fiber

Magnet

• Force factor Bl 7.5N/A
• Motor constant Bl/√RE 4.33N/√W
• Air gap height HAG 8mm
• Material Ferrite

Diaphragm

• Effective diameter 220mm
• Effective area SD 380cm²
• Moving mass MMS 35.5g
• Moving mass (without air load) MMD 30.2g
• Material Doped cellulose fiber

Suspensions

• Stiffness KMS 2.99N/mm
• Compliance CMS 334µm/N
• Equivalent volume to the compliance VAS 74L
• Mechanical resistance RMS 1.88N·s/m
• Surround material Cotton fabric
• Spider material Cotton fabric

Dimensions

• Nominal diameter 10″
• 250mm
• Overall diameter 265mm
• Baffle cutout diameter 238mm
• Overall depth 114mm
• Flange thickness 9mm
• Mounting depth 105mm
• Volume occupied by the driver (estimated) 1.2L
• Net weight 2.7kg
• Frame material Steel