Eminence RETROBASS S2015

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.4dB
• Frequency response 43 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 35Hz
• Mechanical quality factor QMS 6.38
• Electrical quality factor QES 0.63
• Total quality factor QTS 0.57

Large signal parameters

• Maximum linear excursion xmax 4mm
• Maximum excursion before damage xlim 10mm
• Air volume displaced at xmax VD 346cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.0Ω
• Inductance (1kHz) LE 0.89mH
• VC Diameter 50.8mm
• Winding material Copper
• Former material Polyimide

Magnet

• Force factor Bl 11.6N/A
• Motor constant Bl/√RE 4.74N/√W
• Air gap height HAG 7.9mm
• Weight 1.077kg
• Material Ferrite

Diaphragm

• Effective diameter 332mm
• Effective area SD 865cm²
• Moving mass MMS 64g
• Moving mass (without air load) MMD 46.5g
• Material Treated Paper

Suspensions

• Stiffness KMS 3.13N/mm
• Compliance CMS 320µm/N
• Equivalent volume to the compliance VAS 11.7L
• Mechanical resistance RMS 2.21N·s/m
• Surround material Sealed Cloth

Dimensions

• Nominal diameter 15″
• 381mm
• Overall diameter 385mm
• Baffle cutout diameter 352mm
• Overall depth 152mm
• Volume occupied by the driver 3.34L
• Net weight 4.091kg
• Frame material Pressed Steel