HELIX COMPOSE Ci3 C130.2-S3
Mid Bass
5″ / 130 mm
Nominal diameter
92 Hz
Resonance
0.68
Q factor
88 dB
Sensitivity
± 3.2 mm
Linear excursion
135 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.1
dB
Frequency response
80 - 25000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
92.0
Hz
Mechanical quality factor
QMS
2.76
Electrical quality factor
QES
0.90
Total quality factor
QTS
0.68
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
3.0
Ω
Inductance (1kHz, estimated)
LE
0.14
mH
VC Diameter
25
mm
Winding height
HVC
10.5
mm
Magnet
Force factor
Bl
3.8
N/A
Motor constant
Bl/√RE
2.19
N/√W
Diaphragm
Effective diameter
111
mm
Effective area
SD
97
cm²
Moving mass
MMS
7.6
g
Moving mass (without air load)
MMD
6.9
g
Suspensions
Stiffness
KMS
2.67
N/mm
Compliance
CMS
374
µm/N
Equivalent volume to the compliance
VAS
4.9
L
Mechanical resistance
RMS
1.6
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
89 Hz
SD
98 cm²
80 - 4000 Hz
QTS
0.74
xmax
3.2 mm
SPL1W
87 dB
Bl/√RE
2.27
Pmax
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5″Woofer
fS
90 Hz
SD
90 cm²
80 - 3500 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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5″Woofer
fS
89 Hz
SD
90 cm²
80 - 3500 Hz
QTS
0.59
xmax
5.5 mm
SPL1W
88 dB
Bl/√RE
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Pmax
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