SICA 4 E 1 CS
Woofer
4″ / 102 mm
Nominal diameter
118 Hz
Resonance
0.39
Q factor
88 dB
Sensitivity
± 2.2 mm
Linear excursion
140 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 88.0
- dB
- Frequency response
- 120 - 10000
- Hz
- Resonance frequency (free air)
- fS
- 118
- Hz
- Mechanical quality factor
- QMS
- 1.85
- Electrical quality factor
- QES
- 0.49
- Total quality factor
- QTS
- 0.39
- Maximum linear excursion
- xmax
- 2.2
- mm
- Air volume displaced at xmax
- VD
- 9.7
- cm³
- Power handling
- P
- 70
- W
- Program power
- Pmax
- 140
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.6
- Ω
- Inductance (1kHz)
- LE
- 0.14
- mH
- VC Diameter
- 25
- mm
- Winding height
- HVC
- 6
- mm
- Winding material
- Aluminium
- Former material
- Aluminium
- Flux density
- B
- 1.1
- T
- Force factor
- Bl
- 5.76
- N/A
- Motor constant
- Bl/√RE
- 2.43
- N/√W
- Weight
- 0.38
- kg
- Material
- Ferrite
- Effective diameter
- 75
- mm
- Effective area
- SD
- 44
- cm²
- Moving mass
- MMS
- 3.9
- g
- Moving mass (without air load)
- MMD
- 3.7
- g
- Material
- Paper
- Stiffness
- KMS
- 2.15
- N/mm
- Compliance
- CMS
- 466
- µm/N
- Equivalent volume to the compliance
- VAS
- 1.3
- L
- Mechanical resistance
- RMS
- 1.56
- N·s/m
- Surround material
- Treated Cloth
- Nominal diameter
- 4
- ″
- 102 x 104
- mm
- Overall size
- 104 x 104
- mm
- Baffle cutout diameter
- 90
- mm
- Overall depth
- 58
- mm
- Volume occupied by the driver (estimated)
- 0.23
- L
- Net weight
- 1.0
- kg
- Frame material
- Pressed sheet steel