SICA 8 Fe 2,5 CP

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.6dB
• Frequency response 70 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 73Hz
• Mechanical quality factor QMS 3.73
• Electrical quality factor QES 0.30
• Total quality factor QTS 0.28

Large signal parameters

• Maximum linear excursion xmax 4mm
• Air volume displaced at xmax VD 86cm³
• Power handling P 300W
• Program power Pmax 600W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.5Ω
• Inductance (1kHz) LE 0.5mH
• VC Diameter 65mm
• Winding height HVC 8mm
• Winding material Aluminium
• Former material Kapton

Magnet

• Flux density B 1.11T
• Force factor Bl 13N/A
• Motor constant Bl/√RE 5.55N/√W
• Weight 1.43kg
• Material Ferrite

Diaphragm

• Effective diameter 165mm
• Effective area SD 214cm²
• Moving mass MMS 19.8g
• Moving mass (without air load) MMD 17.5g
• Material Paper

Suspensions

• Stiffness KMS 4.17N/mm
• Compliance CMS 240µm/N
• Equivalent volume to the compliance VAS 15.6L
• Mechanical resistance RMS 2.43N·s/m
• Surround material Treated Cloth

Dimensions

• Nominal diameter 8″
• 210mm
• Overall diameter 210mm
• Baffle cutout diameter 184mm
• Overall depth 98mm
• Volume occupied by the driver (estimated) 1.3L
• Net weight 4.5kg
• Frame material Aluminium Die-Cast