SICA 15 K 4 PL

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.8dB
• Frequency response 45 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 45.2Hz
• Mechanical quality factor QMS 13.80
• Electrical quality factor QES 0.30
• Total quality factor QTS 0.29

Large signal parameters

• Maximum linear excursion xmax 6.5mm
• Air volume displaced at xmax VD 556cm³
• Power handling P 1200W
• Program power Pmax 2400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.2Ω
• Inductance (1kHz) LE 0.84mH
• VC Diameter 100mm
• Winding height HVC 12mm
• Winding material Copper
• Former material Kapton

Magnet

• Flux density B 1.23T
• Force factor Bl 24.2N/A
• Motor constant Bl/√RE 10.6N/√W
• Weight 0.536kg
• Material Neodymium

Diaphragm

• Effective diameter 330mm
• Effective area SD 855cm²
• Moving mass MMS 118g
• Moving mass (without air load) MMD 101g
• Material Paper

Suspensions

• Stiffness KMS 9.17N/mm
• Compliance CMS 109µm/N
• Equivalent volume to the compliance VAS 105L
• Mechanical resistance RMS 2.43N·s/m
• Surround material Treated Cloth

Dimensions

• Nominal diameter 15″
• 388mm
• Overall diameter 388mm
• Baffle cutout diameter 355mm
• Overall depth 177mm
• Volume occupied by the driver (estimated) 3.9L
• Net weight 7.0kg
• Frame material Aluminium Die-Cast