SICA 12 L1 2,5 SL

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.9dB
• Frequency response 50 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 47.5Hz
• Mechanical quality factor QMS 7.50
• Electrical quality factor QES 0.38
• Total quality factor QTS 0.36

Large signal parameters

• Maximum linear excursion xmax 3.7mm
• Air volume displaced at xmax VD 182cm³
• Power handling P 300W
• Program power Pmax 600W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.5Ω
• Inductance (1kHz) LE 0.75mH
• VC Diameter 65mm
• Winding height HVC 8mm
• Winding material Copper
• Former material Kapton

Magnet

• Flux density B 1.15T
• Force factor Bl 14.2N/A
• Motor constant Bl/√RE 6.05N/√W
• Weight 0.22kg
• Material Neodymium

Diaphragm

• Effective diameter 250mm
• Effective area SD 491cm²
• Moving mass MMS 47g
• Moving mass (without air load) MMD 38.9g
• Material Paper

Suspensions

• Stiffness KMS 4.18N/mm
• Compliance CMS 239µm/N
• Equivalent volume to the compliance VAS 81.8L
• Mechanical resistance RMS 1.87N·s/m
• Surround material Treated Cloth

Dimensions

• Nominal diameter 12″
• 318mm
• Overall diameter 318mm
• Baffle cutout diameter 287mm
• Overall depth 130mm
• Volume occupied by the driver (estimated) 1.4L
• Net weight 2.3kg
• Frame material Pressed Sheet Steel