Kartesian Wom145_vMS
Woofer
5.5″ / 145 mm
Nominal diameter
48 Hz
Resonance
0.36
Q factor
86 dB
Sensitivity
± 4.5 mm
Linear excursion
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.8
dB
Frequency response
48 - 3500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
48.0
Hz
Mechanical quality factor
QMS
2.38
Electrical quality factor
QES
0.42
Total quality factor
QTS
0.36
Large signal parameters
Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
35
cm³
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz)
LE
0.28
mH
Magnet
Force factor
Bl
6.6
N/A
Motor constant
Bl/√RE
2.65
N/√W
Diaphragm
Effective diameter
100
mm
Effective area
SD
79
cm²
Moving mass
MMS
9.8
g
Moving mass (without air load)
MMD
9.2
g
Suspensions
Stiffness
KMS
0.89
N/mm
Compliance
CMS
1124
µm/N
Equivalent volume to the compliance
VAS
9.86
L
Mechanical resistance
RMS
1.24
N·s/m
Dimensions
Nominal diameter
5.5
″
145
mm
Overall diameter
144
mm
Baffle cutout diameter
124
mm
Overall depth
68
mm
Flange thickness
4
mm
Mounting depth
64
mm
Volume occupied by the driver (estimated)
0.32
L
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Similar woofers to Kartesian Wom145_vMS
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5.5″Mid Bass
fS
49 Hz
SD
79 cm²
48 - 5500 Hz
QTS
0.37
xmax
4.5 mm
SPL1W
85 dB
Bl/√RE
3.0
Pmax
240 W
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