SICA 18 F 3 CP
Subwoofer
18″ / 462 mm
Nominal diameter
31 Hz
Resonance
0.45
Q factor
94 dB
Sensitivity
± 6.5 mm
Linear excursion
800 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 93.6
- dB
- Frequency response
- 30 - 700
- Hz
- Resonance frequency (free air)
- fS
- 30.8
- Hz
- Mechanical quality factor
- QMS
- 3.05
- Electrical quality factor
- QES
- 0.52
- Total quality factor
- QTS
- 0.45
- Maximum linear excursion
- xmax
- 6.5
- mm
- Air volume displaced at xmax
- VD
- 757
- cm³
- Power handling
- P
- 400
- W
- Program power
- Pmax
- 800
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.1
- Ω
- Inductance (1kHz)
- LE
- 1.41
- mH
- VC Diameter
- 75
- mm
- Winding height
- HVC
- 10
- mm
- Winding material
- Copper
- Flux density
- B
- 1.08
- T
- Force factor
- Bl
- 16.9
- N/A
- Motor constant
- Bl/√RE
- 7.48
- N/√W
- Weight
- 1.8
- kg
- Material
- Ferrite
- Effective diameter
- 385
- mm
- Effective area
- SD
- 1164
- cm²
- Moving mass
- MMS
- 155
- g
- Moving mass (without air load)
- MMD
- 126.8
- g
- Material
- Paper
- Stiffness
- KMS
- 5.65
- N/mm
- Compliance
- CMS
- 177
- µm/N
- Equivalent volume to the compliance
- VAS
- 340
- L
- Mechanical resistance
- RMS
- 9.83
- N·s/m
- Surround material
- Treated Cloth
- Nominal diameter
- 18
- ″
- 462
- mm
- Overall diameter
- 462
- mm
- Baffle cutout diameter
- 417
- mm
- Overall depth
- 197
- mm
- Volume occupied by the driver (estimated)
- 5.3
- L
- Net weight
- 8.6
- kg
- Frame material
- Aluminium Die-Cast