Ciare CME250
Mid Bass
10″ / 250 mm
Nominal diameter
48 Hz
Resonance
0.48
Q factor
92 dB
Sensitivity
± 4.5 mm
Linear excursion
450 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
92.2
dB
Frequency response
70 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
48.0
Hz
Mechanical quality factor
QMS
5.70
Electrical quality factor
QES
0.53
Total quality factor
QTS
0.48
Large signal parameters
Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
171
cm³
Power handling
P
220
W
Program power
Pmax
450
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.0
Ω
Inductance (1kHz)
LE
0.4
mH
VC Diameter
50
mm
Winding height
HVC
12.5
mm
Winding material
Copper
Former material
Glass fiber
Magnet
Force factor
Bl
7.5
N/A
Motor constant
Bl/√RE
4.33
N/√W
Air gap height
HAG
8
mm
Material
Ferrite
Diaphragm
Effective diameter
220
mm
Effective area
SD
380
cm²
Moving mass
MMS
35.5
g
Moving mass (without air load)
MMD
30.2
g
Material
Doped cellulose fiber
Suspensions
Stiffness
KMS
2.99
N/mm
Compliance
CMS
334
µm/N
Equivalent volume to the compliance
VAS
74
L
Mechanical resistance
RMS
1.88
N·s/m
Surround material
Cotton fabric
Spider material
Cotton fabric
Dimensions
Nominal diameter
10
″
250
mm
Overall diameter
265
mm
Baffle cutout diameter
238
mm
Overall depth
114
mm
Flange thickness
9
mm
Mounting depth
105
mm
Volume occupied by the driver (estimated)
1.2
L
Net weight
2.7
kg
Frame material
Steel
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WinISD
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