SICA 15 SR 4 CP

• Sensitivity (1W, 1m, infinite baffle) SPL1W 92.6dB
• Frequency response 35 - 1500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 34Hz
• Mechanical quality factor QMS 5.53
• Electrical quality factor QES 0.30
• Total quality factor QTS 0.29

Large signal parameters

• Maximum linear excursion xmax 8mm
• Air volume displaced at xmax VD 604cm³
• Power handling P 1200W
• Program power Pmax 2400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.1Ω
• Inductance (1kHz) LE 1.83mH
• VC Diameter 100mm
• Winding height HVC 12mm
• Winding material Copper
• Former material Glass Fiber

Magnet

• Flux density B 1.12T
• Force factor Bl 25N/A
• Motor constant Bl/√RE 11.1N/√W
• Weight 3.3kg
• Material Ferrite

Diaphragm

• Effective diameter 310mm
• Effective area SD 755cm²
• Moving mass MMS 175g
• Moving mass (without air load) MMD 160g
• Material Paper

Suspensions

• Stiffness KMS 8N/mm
• Compliance CMS 125µm/N
• Equivalent volume to the compliance VAS 101L
• Mechanical resistance RMS 6.76N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 15″
• 389mm
• Overall diameter 388mm
• Baffle cutout diameter 355mm
• Overall depth 175mm
• Volume occupied by the driver (estimated) 5.5L
• Net weight 12.3kg
• Frame material Aluminium Die-Cast