SICA 4 L1 1 SL

Woofer

4″ / 104 mm
Nominal diameter
120 Hz
Resonance
0.36
Q factor
89 dB
Sensitivity
± 2.5 mm
Linear excursion
140 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
88.5
dB
Frequency response
120 - 10000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
120
Hz
Mechanical quality factor
QMS
2.15
Electrical quality factor
QES
0.44
Total quality factor
QTS
0.36

Large signal parameters

Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
11
cm³
Power handling
P
70
W
Program power
Pmax
140
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
0.15
mH
VC Diameter
25
mm
Winding height
HVC
5
mm
Winding material
Aluminium
Former material
Aluminium

Magnet

Flux density
B
1.39
T
Force factor
Bl
6.16
N/A
Motor constant
Bl/√RE
2.63
N/√W
Weight
0.092
kg
Material
Neodymium

Diaphragm

Effective diameter
75
mm
Effective area
SD
44
cm²
Moving mass
MMS
4
g
Moving mass (without air load)
MMD
3.8
g
Material
Paper

Suspensions

Stiffness
KMS
2.27
N/mm
Compliance
CMS
440
µm/N
Equivalent volume to the compliance
VAS
1.2
L
Mechanical resistance
RMS
1.4
N·s/m
Surround material
Treated Cloth

Dimensions

Nominal diameter
4
104 x 104
mm
Overall size
104 x 104
mm
Baffle cutout diameter
90
mm
Overall depth
54
mm
Volume occupied by the driver (estimated)
0.12
L
Net weight
0.4
kg
Frame material
Pressed sheet steel
SICA 4 L1 1 SL SPL & Impedance
SICA 4 L1 1 SL Dimensions

Export this driver to a simulation software:

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SD
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SD
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