Eminence DELTA-15B

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.8dB
• Frequency response 64 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 45Hz
• Mechanical quality factor QMS 6.54
• Electrical quality factor QES 0.67
• Total quality factor QTS 0.61

Large signal parameters

• Maximum linear excursion xmax 1.6mm
• Maximum excursion before damage xlim 11.1mm
• Air volume displaced at xmax VD 137cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 16Ω
• DC resistance RE 11.3Ω
• Inductance (1kHz) LE 1.35mH
• VC Diameter 63.5mm
• Winding material Copper
• Former material Polyimide

Magnet

• Force factor Bl 17.6N/A
• Motor constant Bl/√RE 5.24N/√W
• Air gap height HAG 9.5mm
• Weight 1.588kg
• Material Ferrite

Diaphragm

• Effective diameter 330mm
• Effective area SD 856cm²
• Moving mass MMS 64g
• Moving mass (without air load) MMD 46.7g
• Material Paper

Suspensions

• Stiffness KMS 5.26N/mm
• Compliance CMS 190µm/N
• Equivalent volume to the compliance VAS 204L
• Mechanical resistance RMS 2.77N·s/m
• Surround material Cloth

Dimensions

• Nominal diameter 15″
• 381mm
• Overall diameter 385mm
• Baffle cutout diameter 352mm
• Overall depth 154mm
• Volume occupied by the driver 3.62L
• Net weight 5.579kg
• Frame material Pressed Steel