HELIX COMPOSE CB C100.2-S3
2 way
4″ / 100 mm
Nominal diameter
113 Hz
Resonance
0.87
Q factor
83 dB
Sensitivity
± 2.5 mm
Linear excursion
90 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
82.9
dB
Frequency response
100 - 22000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
113
Hz
Mechanical quality factor
QMS
4.97
Electrical quality factor
QES
1.05
Total quality factor
QTS
0.87
Large signal parameters
Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
11
cm³
Power handling
P
60
W
Program power
Pmax
90
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
8.9
mm
Magnet
Force factor
Bl
3.9
N/A
Motor constant
Bl/√RE
2.25
N/√W
Diaphragm
Effective diameter
76
mm
Effective area
SD
45
cm²
Moving mass
MMS
7.2
g
Moving mass (without air load)
MMD
7
g
Suspensions
Stiffness
KMS
3.68
N/mm
Compliance
CMS
272
µm/N
Equivalent volume to the compliance
VAS
0.8
L
Mechanical resistance
RMS
1.04
N·s/m
Dimensions
Nominal diameter
4
″
100
mm
Overall diameter
99
mm
Baffle cutout diameter
90
mm
Mounting depth
49
mm
Volume occupied by the driver (estimated)
0.13
L
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3″Mid-range
fS
110 Hz
SD
32 cm²
180 - 18000 Hz
QTS
0.82
xmax
1.5 mm
SPL1W
84 dB
Bl/√RE
1.46
Pmax
100 W
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2.5″Full-range
fS
110 Hz
SD
22 cm²
80 - 20000 Hz
QTS
0.68
xmax
3.1 mm
SPL1W
83 dB
Bl/√RE
1.42
Pmax
50 W
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3.5″Shallow Woofer
fS
120 Hz
SD
35 cm²
100 - 8000 Hz
QTS
0.91
xmax
3.1 mm
SPL1W
84 dB
Bl/√RE
1.62
Pmax
30 W