SICA 12 PFS 3

• Sensitivity (1W, 1m, infinite baffle) SPL1W 91.1dB
• Frequency response 40 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 43Hz
• Mechanical quality factor QMS 5.35
• Electrical quality factor QES 0.51
• Total quality factor QTS 0.47

Large signal parameters

• Maximum linear excursion xmax 7mm
• Air volume displaced at xmax VD 372cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.1Ω
• Inductance (1kHz) LE 1.07mH
• VC Diameter 75mm
• Winding height HVC 10mm
• Winding material Copper
• Former material Glass Fiber

Magnet

• Flux density B 1.04T
• Force factor Bl 15.9N/A
• Motor constant Bl/√RE 7.04N/√W
• Weight 1.79kg
• Material Ferrite

Diaphragm

• Effective diameter 260mm
• Effective area SD 531cm²
• Moving mass MMS 93.7g
• Moving mass (without air load) MMD 84.8g
• Material Paper

Suspensions

• Stiffness KMS 6.85N/mm
• Compliance CMS 146µm/N
• Equivalent volume to the compliance VAS 58.5L
• Mechanical resistance RMS 4.73N·s/m
• Surround material Treated Cloth

Dimensions

• Nominal diameter 12″
• 321mm
• Overall diameter 320mm
• Baffle cutout diameter 284mm
• Overall depth 141mm
• Volume occupied by the driver (estimated) 2.9L
• Net weight 6.7kg
• Frame material Aluminium Die-Cast