Hertz Mille ML 2500.3 LEGEND
Subwoofer
10″ / 250 mm
Nominal diameter
33 Hz
Resonance
0.63
Q factor
84 dB
Sensitivity
± 17 mm
Linear excursion
1400 W
Program Power
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Specifications
Sensitivity (1W, 1m, infinite baffle)
SPL1W
83.7
dB
Frequency response
27 - 500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
33.0
Hz
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
17.0
mm
Maximum excursion before damage
xlim
27.0
mm
Air volume displaced at xmax
VD
619
cm³
Power handling
P
700
W
Program power
Pmax
1400
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
2.8
Ω
Inductance (1kHz)
LE
1.05
mH
VC Diameter
100
mm
Magnet
Force factor
Bl
12.6
N/A
Motor constant
Bl/√RE
7.6
N/√W
Diameter
95
mm
Height
6
mm
Material
Neodymium
Diaphragm
Effective diameter
213
mm
Effective area
SD
364
cm²
Moving mass
MMS
175
g
Moving mass (without air load)
MMD
169.9
g
Material
Pressed-pulp cone with mineral powders
Suspensions
Stiffness
KMS
8.0
N/mm
Compliance
CMS
125
µm/N
Equivalent volume to the compliance
VAS
23.5
L
Mechanical resistance
RMS
4.84
N·s/m
Dimensions
Nominal diameter
10
″
250
mm
Overall diameter
268
mm
Baffle cutout diameter
234
mm
Overall depth
159
mm
Flange thickness
22
mm
Mounting depth
137
mm
Volume occupied by the driver (estimated)
3.0
L
Net weight
7.5
kg
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SD
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