Eminence DEFINIMAX 4015LF

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93dB
• Frequency response 39 - 1200Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 40Hz
• Mechanical quality factor QMS 11.94
• Electrical quality factor QES 0.54
• Total quality factor QTS 0.52

Large signal parameters

• Maximum linear excursion xmax 9mm
• Maximum excursion before damage xlim 15.5mm
• Air volume displaced at xmax VD 771cm³
• Power handling P 1200W
• Program power Pmax 2400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.2Ω
• Inductance (1kHz) LE 1.48mH
• VC Diameter 102mm
• Winding material Copper
• Former material Polyimide

Magnet

• Force factor Bl 18.1N/A
• Motor constant Bl/√RE 7.97N/√W
• Air gap height HAG 9.5mm
• Weight 3.09kg
• Material Ferrite

Diaphragm

• Effective diameter 330mm
• Effective area SD 856cm²
• Moving mass MMS 137g
• Moving mass (without air load) MMD 120g
• Material Water resistant paper

Suspensions

• Stiffness KMS 9.09N/mm
• Compliance CMS 110µm/N
• Equivalent volume to the compliance VAS 112L
• Mechanical resistance RMS 2.88N·s/m
• Surround material Cloth

Dimensions

• Nominal diameter 15″
• 381mm
• Overall diameter 386mm
• Baffle cutout diameter 356mm
• Overall depth 167mm
• Volume occupied by the driver 4.31L
• Net weight 10.75kg
• Frame material Die-cast aluminum