SICA 12 F 4 CP

• Sensitivity (1W, 1m, infinite baffle)SPL1W95.3dB
• Frequency response45 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air)fS46Hz
• Mechanical quality factorQMS6.24
• Electrical quality factorQES0.21
• Total quality factorQTS0.20

Large signal parameters

• Maximum linear excursionxmax6mm
• Air volume displaced at xmaxVD319cm³
• Power handlingP700W
• Program powerPmax1400W

Voice Coil

• Nominal impedanceZ8Ω
• DC resistanceRE5.2Ω
• Inductance (1kHz)LE1.33mH
• VC Diameter100mm
• Winding heightHVC10mm
• Winding materialCopper
• Former materialKapton

Magnet

• Flux densityB1.31T
• Force factorBl26N/A
• Motor constantBl/√RE11.4N/√W
• Weight3.3kg
• MaterialFerrite

Diaphragm

• Effective diameter260mm
• Effective areaSD531cm²
• Moving massMMS92.1g
• Moving mass (without air load)MMD83.2g
• MaterialPaper

Suspensions

• StiffnessKMS7.69N/mm
• ComplianceCMS130µm/N
• Equivalent volume to the complianceVAS52L
• Mechanical resistanceRMS4.27N·s/m
• Surround materialTreated Cloth

Dimensions

• Nominal diameter12″
• 321mm
• Overall diameter320mm
• Baffle cutout diameter284mm
• Overall depth147mm
• Volume occupied by the driver (estimated)4.2L
• Net weight11.7kg
• Frame materialAluminium Die-Cast