SICA 15 F 4 CP

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.2dB
• Frequency response 40 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 41Hz
• Mechanical quality factor QMS 7.42
• Electrical quality factor QES 0.26
• Total quality factor QTS 0.25

Large signal parameters

• Maximum linear excursion xmax 7mm
• Air volume displaced at xmax VD 599cm³
• Power handling P 700W
• Program power Pmax 1400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.1Ω
• Inductance (1kHz) LE 1.48mH
• VC Diameter 100mm
• Winding height HVC 10mm
• Winding material Copper
• Former material Kapton

Magnet

• Flux density B 1.3T
• Force factor Bl 25.9N/A
• Motor constant Bl/√RE 11.5N/√W
• Weight 3.3kg
• Material Ferrite

Diaphragm

• Effective diameter 330mm
• Effective area SD 855cm²
• Moving mass MMS 130g
• Moving mass (without air load) MMD 113g
• Material Paper

Suspensions

• Stiffness KMS 8.62N/mm
• Compliance CMS 116µm/N
• Equivalent volume to the compliance VAS 120L
• Mechanical resistance RMS 4.51N·s/m
• Surround material Treated Cloth

Dimensions

• Nominal diameter 15″
• 389mm
• Overall diameter 388mm
• Baffle cutout diameter 355mm
• Overall depth 169mm
• Volume occupied by the driver (estimated) 5.3L
• Net weight 12.1kg
• Frame material Aluminium Die-Cast