Eminence LEGEND GB128

• Sensitivity (1W, 1m, infinite baffle) SPL1W 98.6dB
• Frequency response 80 - 5100Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 86Hz
• Mechanical quality factor QMS 19.54
• Electrical quality factor QES 0.67
• Total quality factor QTS 0.65

Large signal parameters

• Maximum linear excursion xmax 0.8mm
• Air volume displaced at xmax VD 41cm³
• Power handling P 50W
• Program power Pmax 100W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.4Ω
• Inductance (1kHz) LE 0.64mH
• VC Diameter 44.4mm
• Winding material Copper
• Former material Paper

Magnet

• Force factor Bl 12N/A
• Motor constant Bl/√RE 4.75N/√W
• Air gap height HAG 7.9mm
• Weight 1.077kg
• Material Ferrite

Diaphragm

• Effective diameter 254mm
• Effective area SD 507cm²
• Moving mass MMS 28g
• Moving mass (without air load) MMD 19.9g
• Material Paper

Suspensions

• Stiffness KMS 8.33N/mm
• Compliance CMS 120µm/N
• Equivalent volume to the compliance VAS 43.9L
• Mechanical resistance RMS 0.77N·s/m
• Surround material Paper

Dimensions

• Nominal diameter 12″
• 305mm
• Overall diameter 306mm
• Baffle cutout diameter 281mm
• Overall depth 130mm
• Volume occupied by the driver 2.01L
• Net weight 3.674kg
• Frame material Pressed Steel