Eminence KAPPA PRO-15A

• Sensitivity (1W, 1m, infinite baffle) SPL1W 97.3dB
• Frequency response 46 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 47Hz
• Mechanical quality factor QMS 8.01
• Electrical quality factor QES 0.40
• Total quality factor QTS 0.38

Large signal parameters

• Maximum linear excursion xmax 3.2mm
• Maximum excursion before damage xlim 13.2mm
• Air volume displaced at xmax VD 274cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.2Ω
• Inductance (1kHz) LE 1.01mH
• VC Diameter 76.2mm
• Winding material Aluminum
• Former material Polyimide

Magnet

• Force factor Bl 16.6N/A
• Motor constant Bl/√RE 7.26N/√W
• Air gap height HAG 9.5mm
• Weight 2.268kg
• Material Ferrite

Diaphragm

• Effective diameter 330mm
• Effective area SD 856cm²
• Moving mass MMS 72g
• Moving mass (without air load) MMD 54.5g
• Material Paper

Suspensions

• Stiffness KMS 6.25N/mm
• Compliance CMS 160µm/N
• Equivalent volume to the compliance VAS 168L
• Mechanical resistance RMS 2.65N·s/m
• Surround material Cloth

Dimensions

• Nominal diameter 15″
• 381mm
• Overall diameter 389mm
• Baffle cutout diameter 356mm
• Overall depth 154mm
• Volume occupied by the driver 3.91L
• Net weight 7.666kg
• Frame material Die-cast Aluminium