Eminence LEGEND 1275

• Sensitivity (1W, 1m, infinite baffle) SPL1W 99dB
• Frequency response 80 - 5100Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 111Hz
• Mechanical quality factor QMS 15.07
• Electrical quality factor QES 1.09
• Total quality factor QTS 1.02

Large signal parameters

• Maximum linear excursion xmax 0.5mm
• Air volume displaced at xmax VD 26cm³
• Power handling P 75W
• Program power Pmax 150W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 7.4Ω
• Inductance (1kHz) LE 0.55mH
• VC Diameter 38.1mm
• Winding material Copper
• Former material Polyimide

Magnet

• Force factor Bl 12N/A
• Motor constant Bl/√RE 4.4N/√W
• Air gap height HAG 8mm
• Weight 0.964kg
• Material Ferrite

Diaphragm

• Effective diameter 265mm
• Effective area SD 552cm²
• Moving mass MMS 30g
• Moving mass (without air load) MMD 21g
• Material Paper

Suspensions

• Stiffness KMS 14.3N/mm
• Compliance CMS 70µm/N
• Equivalent volume to the compliance VAS 29.6L
• Mechanical resistance RMS 1.39N·s/m
• Surround material Paper

Dimensions

• Nominal diameter 12″
• 305mm
• Overall diameter 311mm
• Baffle cutout diameter 281mm
• Overall depth 113mm
• Volume occupied by the driver 1.93L
• Net weight 3.175kg
• Frame material Pressed Steel