Eminence KAPPA-15A

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.2dB
• Frequency response 52 - 2300Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 33Hz
• Mechanical quality factor QMS 8.90
• Electrical quality factor QES 0.33
• Total quality factor QTS 0.32

Large signal parameters

• Maximum linear excursion xmax 4mm
• Maximum excursion before damage xlim 11.6mm
• Air volume displaced at xmax VD 343cm³
• Power handling P 450W
• Program power Pmax 900W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.2Ω
• Inductance (1kHz) LE 1.05mH
• VC Diameter 76.2mm
• Winding material Copper
• Former material Polyimide

Magnet

• Force factor Bl 15.7N/A
• Motor constant Bl/√RE 6.87N/√W
• Air gap height HAG 9.5mm
• Weight 2.268kg
• Material Ferrite

Diaphragm

• Effective diameter 330mm
• Effective area SD 856cm²
• Moving mass MMS 76g
• Moving mass (without air load) MMD 58.7g
• Material Paper

Suspensions

• Stiffness KMS 3.23N/mm
• Compliance CMS 310µm/N
• Equivalent volume to the compliance VAS 321L
• Mechanical resistance RMS 1.77N·s/m
• Surround material Cloth

Dimensions

• Nominal diameter 15″
• 381mm
• Overall diameter 385mm
• Baffle cutout diameter 352mm
• Overall depth 156mm
• Volume occupied by the driver 3.91L
• Net weight 7.983kg
• Frame material Pressed Steel