Eminence KAPPALITE 3015LF-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.3dB
• Frequency response 36 - 1300Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 47Hz
• Mechanical quality factor QMS 10.19
• Electrical quality factor QES 0.49
• Total quality factor QTS 0.47

Large signal parameters

• Maximum linear excursion xmax 10.7mm
• Maximum excursion before damage xlim 17mm
• Air volume displaced at xmax VD 939cm³
• Power handling P 550W
• Program power Pmax 1100W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.9Ω
• Inductance (1kHz) LE 0.65mH
• VC Diameter 76mm
• Winding material Copper
• Former material Kapton

Magnet

• Force factor Bl 15.8N/A
• Motor constant Bl/√RE 8.03N/√W
• Air gap height HAG 9.3mm
• Weight 0.312kg
• Material Neodymium

Diaphragm

• Effective diameter 335mm
• Effective area SD 881cm²
• Moving mass MMS 106g
• Moving mass (without air load) MMD 88g
• Material Treated paper

Suspensions

• Stiffness KMS 9.09N/mm
• Compliance CMS 110µm/N
• Equivalent volume to the compliance VAS 119L
• Mechanical resistance RMS 3.07N·s/m
• Surround material Cloth

Dimensions

• Nominal diameter 15″
• 381mm
• Overall diameter 389mm
• Baffle cutout diameter 356mm
• Overall depth 184mm
• Volume occupied by the driver 2.56L
• Net weight 3.9kg
• Frame material Die-cast aluminum