Ciare CW170
Woofer
6.5″ / 165 mm
Nominal diameter
55 Hz
Resonance
0.47
Q factor
89 dB
Sensitivity
± 4.3 mm
Linear excursion
150 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.1
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
55.0
Hz
Mechanical quality factor
QMS
3.00
Electrical quality factor
QES
0.56
Total quality factor
QTS
0.47
Large signal parameters
Maximum linear excursion
xmax
4.3
mm
Air volume displaced at xmax
VD
56
cm³
Power handling
P
60
W
Program power
Pmax
150
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.3
Ω
Inductance (1kHz)
LE
0.27
mH
VC Diameter
25
mm
Winding height
HVC
11
mm
Former material
Aluminum
Magnet
Force factor
Bl
4.62
N/A
Motor constant
Bl/√RE
2.54
N/√W
Air gap height
HAG
5
mm
Diaphragm
Effective diameter
128
mm
Effective area
SD
129
cm²
Moving mass
MMS
10.3
g
Moving mass (without air load)
MMD
9.2
g
Suspensions
Stiffness
KMS
1.25
N/mm
Compliance
CMS
800
µm/N
Equivalent volume to the compliance
VAS
18
L
Mechanical resistance
RMS
1.19
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
6.5
″
165
mm
Overall diameter
165
mm
Baffle cutout diameter
142
mm
Overall depth
70
mm
Flange thickness
6
mm
Mounting depth
64
mm
Volume occupied by the driver (estimated)
0.35
L
Net weight
1.0
kg
Frame material
Steel
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