Ciare HW251N
Woofer
10″ / 250 mm
Nominal diameter
30 Hz
Resonance
0.35
Q factor
90 dB
Sensitivity
± 5.7 mm
Linear excursion
240 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.9
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
30.0
Hz
Mechanical quality factor
QMS
5.55
Electrical quality factor
QES
0.38
Total quality factor
QTS
0.35
Large signal parameters
Maximum linear excursion
xmax
5.7
mm
Air volume displaced at xmax
VD
197
cm³
Power handling
P
120
W
Program power
Pmax
240
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.5
Ω
Inductance (1kHz)
LE
1.75
mH
VC Diameter
38
mm
Winding height
HVC
15.3
mm
Former material
Aluminum
Magnet
Force factor
Bl
13.02
N/A
Motor constant
Bl/√RE
5.11
N/√W
Air gap height
HAG
8
mm
Diaphragm
Effective diameter
210
mm
Effective area
SD
346
cm²
Moving mass
MMS
50.8
g
Moving mass (without air load)
MMD
46
g
Suspensions
Stiffness
KMS
1.92
N/mm
Compliance
CMS
520
µm/N
Equivalent volume to the compliance
VAS
88
L
Mechanical resistance
RMS
1.72
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
10
″
250
mm
Overall diameter
268
mm
Baffle cutout diameter
232
mm
Overall depth
113
mm
Flange thickness
5
mm
Mounting depth
108
mm
Volume occupied by the driver (estimated)
1.3
L
Net weight
2.8
kg
Frame material
Aluminium
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fS
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SD
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30 - 1000 Hz
QTS
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xmax
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Bl/√RE
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fS
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SD
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SD
320 cm²
30 - 1000 Hz
QTS
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xmax
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SPL1W
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