Hertz Mille ML 700.3 LEGEND

Mid-range

Nominal diameter3″ / 70 mm
Resonance110 Hz
Q factor0.57
Sensitivity85.7 dB
Linear excursion± 1.1 mm
Program Power100 W
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 85.7dB
  • Frequency response 200 - 20000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 110Hz
  • Mechanical quality factor QMS 4.00
  • Electrical quality factor QES 0.67
  • Total quality factor QTS 0.57

Large signal parameters

  • Maximum linear excursion xmax 1.1mm
  • Air volume displaced at xmax VD 3.7cm³
  • Power handling P 50W
  • Program power Pmax 100W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.8Ω
  • Inductance (1kHz) LE 0.05mH
  • VC Diameter 20mm

Magnet

  • Force factor Bl 3.3N/A
  • Motor constant Bl/√RE 1.69N/√W
  • Diameter 45mm
  • Height 4mm
  • Material Neodymium

Diaphragm

  • Effective diameter 65mm
  • Effective area SD 33.3cm²
  • Moving mass MMS 2.7g
  • Moving mass (without air load) MMD 2.6g
  • Material Pressed-pulp cone with cotton fibres

Suspensions

  • Stiffness KMS 1.43N/mm
  • Compliance CMS 700µm/N
  • Equivalent volume to the compliance VAS 1.1L
  • Mechanical resistance RMS 0.47N·s/m

Dimensions

  • Nominal diameter 3
  • 70mm
  • Overall diameter 88mm
  • Baffle cutout diameter 74mm
  • Overall depth 47mm
  • Flange thickness 6mm
  • Mounting depth 41mm
  • Volume occupied by the driver (estimated) 0.1L
  • Net weight 0.21kg
Hertz ML 700.3 LEGEND SPL & Impedance


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