Ciare HW172

Woofer

7″ / 180 mm
Nominal diameter
46 Hz
Resonance
0.37
Q factor
88 dB
Sensitivity
± 4.5 mm
Linear excursion
180 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
88.2
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
46.0
Hz
Mechanical quality factor
QMS
2.24
Electrical quality factor
QES
0.45
Total quality factor
QTS
0.37

Large signal parameters

Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
60
cm³
Power handling
P
80
W
Program power
Pmax
180
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz)
LE
0.4
mH
VC Diameter
32
mm
Winding height
HVC
12
mm
Former material
Aluminum

Magnet

Force factor
Bl
7.59
N/A
Motor constant
Bl/√RE
3.1
N/√W
Air gap height
HAG
6
mm

Diaphragm

Effective diameter
130
mm
Effective area
SD
133
cm²
Moving mass
MMS
14.5
g
Moving mass (without air load)
MMD
13.3
g
Material
Polypropylene

Suspensions

Stiffness
KMS
1.24
N/mm
Compliance
CMS
810
µm/N
Equivalent volume to the compliance
VAS
20
L
Mechanical resistance
RMS
1.87
N·s/m
Surround material
Rubber

Dimensions

Nominal diameter
7
180
mm
Overall diameter
180
mm
Baffle cutout diameter
146
mm
Overall depth
78
mm
Flange thickness
5
mm
Mounting depth
73
mm
Volume occupied by the driver (estimated)
0.55
L
Net weight
1.64
kg
Frame material
Aluminium
Ciare HW172 SPL & Impedance
Ciare HW172 Dimensions

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fS
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SD
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QTS
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xmax
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Bl/√RE
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Pmax
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SD
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