Hertz Mille ML 2500.3 LEGEND

• Sensitivity (1W, 1m, infinite baffle) SPL1W 83.7dB
• Frequency response 27 - 500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 33Hz
• Mechanical quality factor QMS 7.50
• Electrical quality factor QES 0.65
• Total quality factor QTS 0.63

Large signal parameters

• Maximum linear excursion xmax 17mm
• Maximum excursion before damage xlim 27mm
• Air volume displaced at xmax VD 619cm³
• Power handling P 700W
• Program power Pmax 1400W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 2.8Ω
• Inductance (1kHz) LE 1.05mH
• VC Diameter 100mm

Magnet

• Force factor Bl 12.6N/A
• Motor constant Bl/√RE 7.6N/√W
• Diameter 95mm
• Height 6mm
• Material Neodymium

Diaphragm

• Effective diameter 213mm
• Effective area SD 364cm²
• Moving mass MMS 175g
• Moving mass (without air load) MMD 170g
• Material Pressed-pulp cone with mineral powders

Suspensions

• Stiffness KMS 8N/mm
• Compliance CMS 125µm/N
• Equivalent volume to the compliance VAS 23.5L
• Mechanical resistance RMS 4.84N·s/m

Dimensions

• Nominal diameter 10″
• 250mm
• Overall diameter 268mm
• Baffle cutout diameter 234mm
• Overall depth 159mm
• Flange thickness 22mm
• Mounting depth 137mm
• Volume occupied by the driver (estimated) 3L
• Net weight 7.5kg