Eminence LEGEND BP102-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 91.7dB
• Frequency response 40 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 35Hz
• Mechanical quality factor QMS 10.61
• Electrical quality factor QES 0.40
• Total quality factor QTS 0.38

Large signal parameters

• Maximum linear excursion xmax 6.2mm
• Maximum excursion before damage xlim 10mm
• Air volume displaced at xmax VD 214cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 2.7Ω
• Inductance (1kHz) LE 0.68mH
• VC Diameter 50.8mm
• Winding material Copper
• Former material Polyimide

Magnet

• Force factor Bl 7.1N/A
• Motor constant Bl/√RE 4.32N/√W
• Air gap height HAG 7.9mm
• Weight 1.077kg
• Material Ferrite

Diaphragm

• Effective diameter 210mm
• Effective area SD 345cm²
• Moving mass MMS 34g
• Moving mass (without air load) MMD 29.4g
• Material Paper

Suspensions

• Stiffness KMS 1.59N/mm
• Compliance CMS 630µm/N
• Equivalent volume to the compliance VAS 104L
• Mechanical resistance RMS 0.7N·s/m
• Surround material Cloth

Dimensions

• Nominal diameter 10″
• 254mm
• Overall diameter 256mm
• Baffle cutout diameter 233mm
• Overall depth 108mm
• Volume occupied by the driver 1.16L
• Net weight 4.037kg
• Frame material Pressed Steel