SICA 12 N 3 PL

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.4dB
• Frequency response 45 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 46Hz
• Mechanical quality factor QMS 7.50
• Electrical quality factor QES 0.31
• Total quality factor QTS 0.30

Large signal parameters

• Maximum linear excursion xmax 5.5mm
• Air volume displaced at xmax VD 292cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.0Ω
• Inductance (1kHz) LE 0.8mH
• VC Diameter 75mm
• Winding height HVC 10mm
• Winding material Aluminium
• Former material Glass Fiber

Magnet

• Flux density B 1.18T
• Force factor Bl 16N/A
• Motor constant Bl/√RE 7.16N/√W
• Weight 0.36kg
• Material Neodymium

Diaphragm

• Effective diameter 260mm
• Effective area SD 531cm²
• Moving mass MMS 56.5g
• Moving mass (without air load) MMD 47.6g
• Material Paper

Suspensions

• Stiffness KMS 4.55N/mm
• Compliance CMS 220µm/N
• Equivalent volume to the compliance VAS 87.9L
• Mechanical resistance RMS 2.18N·s/m
• Surround material Treated Cloth

Dimensions

• Nominal diameter 12″
• 320mm
• Overall diameter 320mm
• Baffle cutout diameter 284mm
• Overall depth 135mm
• Volume occupied by the driver (estimated) 1.8L
• Net weight 3.5kg
• Frame material Aluminium Die-Cast