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
![SICA 4 L1 1 SL Woofer](/SICA/4L11SL/SICA_4L11SL_(Photo_1).jpg)
![SICA 4 L1 1 SL Woofer](/SICA/4L11SL/SICA_4L11SL_(Photo_2).jpg)
![SICA 4 L1 1 SL Woofer](/SICA/4L11SL/SICA_4L11SL_(Photo_3).jpg)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 88.5
- dB
- Frequency response
- 120 - 10000
- Hz
- 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
- 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
- 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
- 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
- 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
- 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
- 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
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![SICA 4 L1 1 SL SPL & Impedance](/SICA/4L11SL/SICA_4L11SL_(Frequency_response_+_Impedance).png)
![SICA 4 L1 1 SL Dimensions](/SICA/4L11SL/SICA_4L11SL_(Dimensions).png)
Export this driver to a simulation software:
![WinISD](/images/export/WinISD.png)
![Basta!](/images/export/Basta.png)
![Hornresp](/images/export/Hornresp.png)
![QSpeakers](/images/export/QSpeakers.png)
![SpeakerSim](/images/export/SpeakerSim.png)
![MfbLabs](/images/export/MfbLabs.png)
![Speakerbench](/images/export/Speakerbench.png)