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
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
Discard
Apply
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
Ciare HS251 SPL & Impedance
Ciare HS251 Dimensions

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SD
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