SICA 15 PFS 4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.6dB
• Frequency response 35 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 39Hz
• Mechanical quality factor QMS 4.87
• Electrical quality factor QES 0.37
• Total quality factor QTS 0.34

Large signal parameters

• Maximum linear excursion xmax 9mm
• Air volume displaced at xmax VD 770cm³
• Power handling P 1200W
• Program power Pmax 2400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.3Ω
• Inductance (1kHz) LE 1.8mH
• VC Diameter 100mm
• Winding height HVC 12mm
• Winding material Copper
• Former material Glass Fiber

Magnet

• Flux density B 1.12T
• Force factor Bl 24.2N/A
• Motor constant Bl/√RE 10.5N/√W
• Weight 3.3kg
• Material Ferrite

Diaphragm

• Effective diameter 330mm
• Effective area SD 855cm²
• Moving mass MMS 167g
• Moving mass (without air load) MMD 149g
• Material Paper

Suspensions

• Stiffness KMS 10N/mm
• Compliance CMS 100µm/N
• Equivalent volume to the compliance VAS 104L
• Mechanical resistance RMS 8.38N·s/m
• Surround material Treated Cloth

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