Ciare NDI6.50W
Woofer
6.5″ / 165 mm
Nominal diameter
71 Hz
Resonance
0.29
Q factor
91 dB
Sensitivity
± 5.3 mm
Linear excursion
450 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
91.3
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
71.0
Hz
Mechanical quality factor
QMS
3.30
Electrical quality factor
QES
0.32
Total quality factor
QTS
0.29
Large signal parameters
Maximum linear excursion
xmax
5.3
mm
Air volume displaced at xmax
VD
73
cm³
Power handling
P
220
W
Program power
Pmax
450
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
0.6
mH
VC Diameter
50
mm
Winding height
HVC
14.5
mm
Former material
Kapton
Magnet
Force factor
Bl
10.8
N/A
Motor constant
Bl/√RE
4.61
N/√W
Air gap height
HAG
8
mm
Diaphragm
Effective diameter
132
mm
Effective area
SD
137
cm²
Moving mass
MMS
15.4
g
Moving mass (without air load)
MMD
14.2
g
Material
Doped cellulose fiber
Suspensions
Stiffness
KMS
3.03
N/mm
Compliance
CMS
330
µm/N
Equivalent volume to the compliance
VAS
8.5
L
Mechanical resistance
RMS
2.08
N·s/m
Surround material
Nomex Fabric
Spider material
Nomex Fabric
Dimensions
Nominal diameter
6.5
″
165
mm
Overall diameter
165
mm
Baffle cutout diameter
145
mm
Overall depth
75
mm
Flange thickness
3
mm
Mounting depth
72
mm
Volume occupied by the driver (estimated)
0.44
L
Net weight
1.3
kg
Frame material
Aluminium
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SpeakerbenchSimilar woofers to Ciare NDI6.50W
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6.5″Mid Bass
fS
75 Hz
SD
132 cm²
75 - 5000 Hz
QTS
0.30
xmax
6.0 mm
SPL1W
92 dB
Bl/√RE
4.65
Pmax
300 W
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6.5″Coaxial
fS
65 Hz
SD
135 cm²
65 - 20000 Hz
QTS
0.27
xmax
5.5 mm
SPL1W
91 dB
Bl/√RE
4.7
Pmax
400 W