Eminence KAPPALITE 3012LF

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.4dB
• Frequency response 46 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 37Hz
• Mechanical quality factor QMS 6.94
• Electrical quality factor QES 0.34
• Total quality factor QTS 0.32

Large signal parameters

• Maximum linear excursion xmax 9.1mm
• Maximum excursion before damage xlim 14.5mm
• Air volume displaced at xmax VD 496cm³
• Power handling P 450W
• Program power Pmax 900W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz) LE 0.98mH
• VC Diameter 76.2mm
• Winding material Copper
• Former material Kapton

Magnet

• Force factor Bl 16.7N/A
• Motor constant Bl/√RE 7.06N/√W
• Air gap height HAG 9.3mm
• Weight 0.312kg
• Material Neodymium

Diaphragm

• Effective diameter 264mm
• Effective area SD 545cm²
• Moving mass MMS 72g
• Moving mass (without air load) MMD 63g
• Material Treated paper

Suspensions

• Stiffness KMS 3.85N/mm
• Compliance CMS 260µm/N
• Equivalent volume to the compliance VAS 107L
• Mechanical resistance RMS 2.41N·s/m
• Surround material Sealed cloth

Dimensions

• Nominal diameter 12″
• 305mm
• Overall diameter 314mm
• Baffle cutout diameter 281mm
• Overall depth 152mm
• Volume occupied by the driver 1.56L
• Net weight 3.447kg
• Frame material Die-cast Aluminium