HELIX COMPOSE CB C130.2-S3

2 way

5″ / 130 mm
Nominal diameter
92 Hz
Resonance
0.92
Q factor
87 dB
Sensitivity
± 2.5 mm
Linear excursion
105 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
86.9
dB
Frequency response
80 - 22000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
92.0
Hz
Mechanical quality factor
QMS
4.28
Electrical quality factor
QES
1.18
Total quality factor
QTS
0.92

Large signal parameters

Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
24
cm³
Power handling
P
70
W
Program power
Pmax
105
W

Voice Coil

Nominal impedance
Z
3
Ω
DC resistance
RE
3.0
Ω
Inductance (1kHz, estimated)
LE
0.16
mH
VC Diameter
25
mm
Winding height
HVC
8.9
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
9.7
g
Moving mass (without air load)
MMD
9
g

Suspensions

Stiffness
KMS
3.3
N/mm
Compliance
CMS
303
µm/N
Equivalent volume to the compliance
VAS
4
L
Mechanical resistance
RMS
1.33
N·s/m

Dimensions

Nominal diameter
5
130
mm
Overall diameter
130
mm
Baffle cutout diameter
118
mm
Mounting depth
51
mm
Volume occupied by the driver (estimated)
0.27
L

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