SICA 12 PF 3

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.2dB
• Frequency response 45 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 47Hz
• Mechanical quality factor QMS 5.80
• Electrical quality factor QES 0.42
• Total quality factor QTS 0.39

Large signal parameters

• Maximum linear excursion xmax 5.5mm
• Air volume displaced at xmax VD 292cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz) LE 0.7mH
• VC Diameter 75mm
• Winding height HVC 10mm
• Winding material Aluminium
• Former material Glass Fiber

Magnet

• Flux density B 1.05T
• Force factor Bl 15.4N/A
• Motor constant Bl/√RE 6.5N/√W
• Weight 1.79kg
• Material Ferrite

Diaphragm

• Effective diameter 260mm
• Effective area SD 531cm²
• Moving mass MMS 60g
• Moving mass (without air load) MMD 51.1g
• Material Paper

Suspensions

• Stiffness KMS 5.24N/mm
• Compliance CMS 191µm/N
• Equivalent volume to the compliance VAS 76.5L
• Mechanical resistance RMS 3.05N·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