Eminence KAPPALITE 3012HO

• Sensitivity (1W, 1m, infinite baffle) SPL1W 97.1dB
• Frequency response 51 - 3500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 52Hz
• Mechanical quality factor QMS 8.39
• Electrical quality factor QES 0.33
• Total quality factor QTS 0.32

Large signal parameters

• Maximum linear excursion xmax 6.2mm
• Maximum excursion before damage xlim 12.5mm
• Air volume displaced at xmax VD 330cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.5Ω
• Inductance (1kHz) LE 0.57mH
• VC Diameter 76.2mm
• Winding material Aluminum
• Former material Kapton

Magnet

• Force factor Bl 15.9N/A
• Motor constant Bl/√RE 6.78N/√W
• Air gap height HAG 9.3mm
• Weight 0.312kg
• Material Neodymium

Diaphragm

• Effective diameter 260mm
• Effective area SD 532cm²
• Moving mass MMS 47g
• Moving mass (without air load) MMD 38.2g
• Material Treated paper

Suspensions

• Stiffness KMS 5N/mm
• Compliance CMS 200µm/N
• Equivalent volume to the compliance VAS 81.1L
• Mechanical resistance RMS 1.83N·s/m
• Surround material Sealed cloth

Dimensions

• Nominal diameter 12″
• 305mm
• Overall diameter 314mm
• Baffle cutout diameter 281mm
• Overall depth 143mm
• Volume occupied by the driver 1.53L
• Net weight 3.221kg
• Frame material Die-cast Aluminium