Ciare HS251
Subwoofer
10″ / 250 mm
Nominal diameter
30 Hz
Resonance
0.4
Q factor
93 dB
Sensitivity
± 10 mm
Linear excursion
200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.1
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
30.0
Hz
Mechanical quality factor
QMS
7.21
Electrical quality factor
QES
0.43
Total quality factor
QTS
0.40
Large signal parameters
Maximum linear excursion
xmax
10.0
mm
Air volume displaced at xmax
VD
346
cm³
Power handling
P
100
W
Program power
Pmax
200
W
Voice Coil
Nominal impedance
Z
2 x 8
Ω
DC resistance (in series)
RE
11.6
Ω
Inductance (1kHz, in series)
LE
8.06
mH
VC Diameter
50
mm
Winding height
HVC
24
mm
Former material
Kapton
Magnet
Force factor (in series)
Bl
39.82
N/A
Motor constant
Bl/√RE
8.27
N/√W
Air gap height
HAG
8
mm
Diaphragm
Effective diameter
210
mm
Effective area
SD
346
cm²
Moving mass
MMS
79.1
g
Moving mass (without air load)
MMD
74.3
g
Material
Treated Cellulose
Suspensions
Stiffness
KMS
2.63
N/mm
Compliance
CMS
380
µm/N
Equivalent volume to the compliance
VAS
63.2
L
Mechanical resistance
RMS
2.07
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
10
″
250
mm
Overall diameter
268
mm
Baffle cutout diameter
235
mm
Overall depth
127
mm
Flange thickness
5
mm
Mounting depth
122
mm
Volume occupied by the driver (estimated)
1.8
L
Net weight
4.2
kg
Frame material
Aluminium
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fS
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SD
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25 - 900 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
11
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fS
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SD
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xmax
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SPL1W
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Bl/√RE
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