Ciare CSW7012EVO

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.7dB
• Frequency response 30 - 200Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 47Hz
• Mechanical quality factor QMS 9.40
• Electrical quality factor QES 0.34
• Total quality factor QTS 0.33

Large signal parameters

• Maximum linear excursion xmax 23mm
• Air volume displaced at xmax VD 1175cm³
• Power handling P 700W
• Program power Pmax 7000W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 3.9Ω
• Inductance (1kHz, in series) LE 3.2mH
• VC Diameter 75mm
• Winding height HVC 52mm
• Winding material Flat aluminium
• Former material Aluminum

Magnet

• Force factor (in series) Bl 30.5N/A
• Motor constant Bl/√RE 15.4N/√W
• Air gap height HAG 15mm
• Material Ferrite

Diaphragm

• Effective diameter 255mm
• Effective area SD 511cm²
• Moving mass MMS 280g
• Moving mass (without air load) MMD 272g
• Material Reinforced cellulose fiber

Suspensions

• Stiffness KMS 23.8N/mm
• Compliance CMS 42µm/N
• Equivalent volume to the compliance VAS 15L
• Mechanical resistance RMS 8.8N·s/m
• Surround material Polyurethane
• Spider material Nomex Fabric

Dimensions

• Nominal diameter 12″
• 320mm
• Overall diameter 315mm
• Baffle cutout diameter 282mm
• Overall depth 221mm
• Flange thickness 31mm
• Mounting depth 190mm
• Volume occupied by the driver (estimated) 7.5L
• Net weight 19.2kg
• Frame material Aluminium