SICA 12 SR 4 CP
8Ω
Subwoofer
| Nominal diameter | 12″ / 321 mm |
| Resonance | 38 Hz |
| Q factor | 0.30 |
| Sensitivity | 90.2 dB |
| Linear excursion | ± 9 mm |
| Program power | 2000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 90.2dB
Thiele & Small parameters
- Resonance frequency (free air) fS 38Hz
- Mechanical quality factor QMS 4.78
- Electrical quality factor QES 0.31
- Total quality factor QTS 0.30
Large signal parameters
- Maximum linear excursion (one way) xmax 9mm
- Air volume displaced at xmax VD 442cm³
- Power handling P 1000W
- Program power Pmax 2000W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.2Ω
- Inductance (1kHz) LE 1.77mH
- VC Diameter 100mm
- Winding height HVC 12mm
- Winding material Copper
- Former material Glass Fiber
Magnet
- Flux density B 1.12T
- Force factor Bl 24N/A
- Motor constant Bl/√RE 10.5N/√W
- Weight 3.3kg
Diaphragm
- Effective diameter 250mm
- Effective area SD 491cm²
- Moving mass (including air load) MMS 145g
- Moving mass MMD 137g
- Material Paper
Suspensions
- Stiffness KMS 8.2N/mm
- Compliance CMS 122µm/N
- Equivalent volume to the compliance VAS 41.7L
- Mechanical resistance RMS 7.22N·s/m
- Surround material Rubber
Dimensions
- Nominal diameter 12″
- 321mm
- Overall diameter 320mm
- Baffle cutout diameter 284mm
- Overall depth 154mm
- Volume occupied by the driver (estimated) 4.4L
- Net weight 12.0kg
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Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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