JL Audio C7-350cm
Mid-range
3.5″ / 90 mm
Nominal diameter
157 Hz
Resonance
0.54
Q factor
87 dB
Sensitivity
± 1 mm
Linear excursion
200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.5
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
157
Hz
Mechanical quality factor
QMS
6.45
Electrical quality factor
QES
0.59
Total quality factor
QTS
0.54
Large signal parameters
Maximum linear excursion
xmax
1.0
mm
Air volume displaced at xmax
VD
3.4
cm³
Power handling
P
100
W
Program power
Pmax
200
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz, estimated)
LE
0.1
mH
Magnet
Force factor
Bl
4.66
N/A
Motor constant
Bl/√RE
2.59
N/√W
Diameter
60
mm
Diaphragm
Effective diameter
66
mm
Effective area
SD
34
cm²
Moving mass
MMS
4
g
Moving mass (without air load)
MMD
3.8
g
Suspensions
Stiffness
KMS
3.89
N/mm
Compliance
CMS
257
µm/N
Equivalent volume to the compliance
VAS
0.43
L
Mechanical resistance
RMS
0.61
N·s/m
Dimensions
Nominal diameter
3.5
″
90
mm
Overall diameter
100
mm
Baffle cutout diameter
73
mm
Overall depth
52
mm
Flange thickness
15
mm
Mounting depth
37
mm
Volume occupied by the driver (estimated)
0.14
L
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3″Full-range
fS
133 Hz
SD
30 cm²
135 - 20000 Hz
QTS
0.51
xmax
2.0 mm
SPL1W
87 dB
Bl/√RE
1.87
Pmax
60 W