HELIX COMPOSE Ci3 W130-S3
Mid Bass
5″ / 130 mm
Nominal diameter
89 Hz
Resonance
0.74
Q factor
87 dB
Sensitivity
± 3.2 mm
Linear excursion
135 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.1
dB
Frequency response
80 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
89.0
Hz
Mechanical quality factor
QMS
3.11
Electrical quality factor
QES
0.97
Total quality factor
QTS
0.74
Large signal parameters
Maximum linear excursion
xmax
3.2
mm
Air volume displaced at xmax
VD
31
cm³
Power handling
P
90
W
Program power
Pmax
135
W
Voice Coil
Nominal impedance
Z
3
Ω
DC resistance
RE
3.1
Ω
Inductance (1kHz, estimated)
LE
0.16
mH
VC Diameter
25
mm
Winding height
HVC
10.5
mm
Magnet
Force factor
Bl
4.0
N/A
Motor constant
Bl/√RE
2.27
N/√W
Diaphragm
Effective diameter
112
mm
Effective area
SD
98
cm²
Moving mass
MMS
9.1
g
Moving mass (without air load)
MMD
8.4
g
Suspensions
Stiffness
KMS
2.86
N/mm
Compliance
CMS
350
µm/N
Equivalent volume to the compliance
VAS
4.6
L
Mechanical resistance
RMS
1.65
N·s/m
Dimensions
Nominal diameter
5
″
130
mm
Overall diameter
130
mm
Baffle cutout diameter
117
mm
Mounting depth
55
mm
Volume occupied by the driver (estimated)
0.27
L
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fS
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SD
97 cm²
62 - 1200 Hz
QTS
0.68
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1.5 mm
SPL1W
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Bl/√RE
2.34
Pmax
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5.25″Woofer
fS
86 Hz
SD
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2.11
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fS
92 Hz
SD
97 cm²
80 - 25000 Hz
QTS
0.68
xmax
3.2 mm
SPL1W
88 dB
Bl/√RE
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Pmax
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