SICA 15 PFS 3

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.1dB
• Frequency response 35 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 39Hz
• Mechanical quality factor QMS 3.24
• Electrical quality factor QES 0.52
• Total quality factor QTS 0.45

Large signal parameters

• Maximum linear excursion xmax 7mm
• Air volume displaced at xmax VD 599cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.1Ω
• Inductance (1kHz) LE 1.36mH
• VC Diameter 75mm
• Winding height HVC 10mm
• Winding material Copper
• Former material Glass Fiber

Magnet

• Flux density B 1.08T
• Force factor Bl 17.5N/A
• Motor constant Bl/√RE 7.75N/√W
• Weight 1.79kg
• Material Ferrite

Diaphragm

• Effective diameter 330mm
• Effective area SD 855cm²
• Moving mass MMS 128g
• Moving mass (without air load) MMD 110g
• Material Paper

Suspensions

• Stiffness KMS 7.69N/mm
• Compliance CMS 130µm/N
• Equivalent volume to the compliance VAS 136L
• Mechanical resistance RMS 9.66N·s/m
• Surround material Treated Cloth

Dimensions

• Nominal diameter 15″
• 389mm
• Overall diameter 388mm
• Baffle cutout diameter 355mm
• Overall depth 163mm
• Volume occupied by the driver (estimated) 3.9L
• Net weight 7.7kg
• Frame material Aluminium Die-Cast