Eminence DELTALITE II 2515

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.5dB
• Frequency response 54 - 3700Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 42Hz
• Mechanical quality factor QMS 4.56
• Electrical quality factor QES 0.41
• Total quality factor QTS 0.38

Large signal parameters

• Maximum linear excursion xmax 4.8mm
• Maximum excursion before damage xlim 9mm
• Air volume displaced at xmax VD 411cm³
• Power handling P 300W
• Program power Pmax 600W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.3Ω
• Inductance (1kHz) LE 1.15mH
• VC Diameter 63.5mm
• Winding material Aluminum
• Former material Polyimide

Magnet

• Force factor Bl 15.7N/A
• Motor constant Bl/√RE 6.83N/√W
• Air gap height HAG 7mm
• Weight 0.198kg
• Material Neodymium

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 5N/mm
• Compliance CMS 200µm/N
• Equivalent volume to the compliance VAS 204L
• Mechanical resistance RMS 4.17N·s/m
• Surround material Cloth

Dimensions

• Nominal diameter 15″
• 381mm
• Overall diameter 389mm
• Baffle cutout diameter 356mm
• Overall depth 173mm
• Volume occupied by the driver 2.38L
• Net weight 2.585kg
• Frame material Die-cast Aluminium