Hertz Mille ML 700.3 LEGEND

Mid-range

3″ / 70 mm
Nominal diameter
110 Hz
Resonance
0.57
Q factor
86 dB
Sensitivity
± 1.1 mm
Linear excursion
100 W
Program Power
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
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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
85.7
dB
Frequency response
200 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
110
Hz
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
1.1
mm
Air volume displaced at xmax
VD
3.7
cm³
Power handling
P
50
W
Program power
Pmax
100
W

Voice Coil

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

Magnet

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

Diaphragm

Effective diameter
65
mm
Effective area
SD
33
cm²
Moving mass
MMS
2.7
g
Moving mass (without air load)
MMD
2.6
g
Material
Pressed-pulp cone with cotton fibres

Suspensions

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

Dimensions

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

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