Hertz Mille ML 1650.3 LEGEND
Woofer
6.5″ / 165 mm
Nominal diameter
65 Hz
Resonance
0.52
Q factor
89 dB
Sensitivity
± 5 mm
Linear excursion
250 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.0
dB
Frequency response
40 - 7000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
65.0
Hz
Mechanical quality factor
QMS
5.30
Electrical quality factor
QES
0.52
Total quality factor
QTS
0.52
Large signal parameters
Maximum linear excursion
xmax
5.0
mm
Maximum excursion before damage
xlim
9.0
mm
Air volume displaced at xmax
VD
70
cm³
Power handling
P
125
W
Program power
Pmax
250
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.3
Ω
Inductance (1kHz)
LE
0.24
mH
VC Diameter
36
mm
Magnet
Force factor
Bl
7.0
N/A
Motor constant
Bl/√RE
3.85
N/√W
Diameter
80
mm
Height
5
mm
Material
Neodymium
Diaphragm
Effective diameter
132
mm
Effective area
SD
140
cm²
Moving mass
MMS
17.5
g
Moving mass (without air load)
MMD
16.3
g
Material
Pressed-pulp cone with cotton fibres
Suspensions
Stiffness
KMS
3.33
N/mm
Compliance
CMS
300
µm/N
Equivalent volume to the compliance
VAS
8.3
L
Mechanical resistance
RMS
1.35
N·s/m
Dimensions
Nominal diameter
6.5
″
165
mm
Overall diameter
165
mm
Baffle cutout diameter
141
mm
Overall depth
80
mm
Flange thickness
11
mm
Mounting depth
69
mm
Volume occupied by the driver (estimated)
0.45
L
Net weight
1.29
kg
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fS
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SD
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73 - 6000 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
3.88
Pmax
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fS
70 Hz
SD
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70 - 6000 Hz
QTS
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SPL1W
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fS
74 Hz
SD
95 cm²
80 - 20000 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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