Ciare NDI2.25
Full-range
2″ / 50 mm
Nominal diameter
100 Hz
Resonance
0.27
Q factor
82 dB
Sensitivity
± 2.5 mm
Linear excursion
60 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
82.1
dB
Frequency response
110 - 17000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
100
Hz
Mechanical quality factor
QMS
5.30
Electrical quality factor
QES
0.29
Total quality factor
QTS
0.27
Large signal parameters
Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
3.3
cm³
Power handling
P
30
W
Program power
Pmax
60
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
7.1
Ω
Inductance (1kHz)
LE
0.2
mH
VC Diameter
25
mm
Winding material
Copper
Former material
Kapton
Magnet
Force factor
Bl
5.9
N/A
Motor constant
Bl/√RE
2.21
N/√W
Air gap height
HAG
3.5
mm
Material
Neodymium
Diaphragm
Effective diameter
41
mm
Effective area
SD
13
cm²
Moving mass
MMS
2.2
g
Moving mass (without air load)
MMD
2.1
g
Material
Aluminium
Suspensions
Stiffness
KMS
0.82
N/mm
Compliance
CMS
1214
µm/N
Equivalent volume to the compliance
VAS
0.3
L
Mechanical resistance
RMS
0.25
N·s/m
Spider material
Fabric
Dimensions
Nominal diameter
2
″
50
mm
Overall diameter
54
mm
Baffle cutout diameter
49
mm
Overall depth
40
mm
Flange thickness
1
mm
Mounting depth
39
mm
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SpeakerbenchSimilar speaker drivers to Ciare NDI2.25
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2″Full-range
fS
120 Hz
SD
15 cm²
120 - 15000 Hz
QTS
0.31
xmax
2.0 mm
SPL1W
83 dB
Bl/√RE
2.01
Pmax
20 W
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2″Subwoofer
fS
90 Hz
SD
15 cm²
90 - 500 Hz
QTS
0.31
xmax
2.0 mm
SPL1W
82 dB
Bl/√RE
2.01
Pmax
40 W
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1″Full-range
fS
120 Hz
SD
9.0 cm²
120 - 20000 Hz
QTS
0.24
xmax
1.3 mm
SPL1W
82 dB
Bl/√RE
1.87
Pmax
8 W