ALPINE SWG-1244
4Ω
Subwoofer
| Nominal diameter | 12″ / 300 mm |
| Resonance | 28 Hz |
| Q factor | 0.38 |
| Sensitivity | 87.4 dB |
| Linear excursion | ± 10 mm |
| Program power | 500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 87.4dB
- Frequency response 28 - 1000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 28Hz
- Mechanical quality factor QMS 3.27
- Electrical quality factor QES 0.43
- Total quality factor QTS 0.38
Large signal parameters
- Maximum linear excursion (one way) xmax 10mm
- Maximum excursion before damage xlim 25mm
- Air volume displaced at xmax VD 502cm³
- Power handling P 250W
- Program power Pmax 500W
- Peak power Ppeak 800W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.6Ω
- Inductance (1kHz) LE 1.02mH
- VC Diameter 50mm
- Winding height HVC 30mm
- Winding material Copper
- Former material ASV
Magnet
- Force factor Bl 15.1N/A
- Motor constant Bl/√RE 7.96N/√W
- Air gap height HAG 10mm
- Diameter 156mm
- Weight 2.95kg
- Material Strontium
Diaphragm
- Effective diameter 253mm
- Effective area SD 502cm²
- Moving mass (including air load) MMS 154g
- Moving mass MMD 147g
- Material Drenched Long-Fibre Pulp, Polypropylene Reinforced
Suspensions
- Stiffness KMS 4.76N/mm
- Compliance CMS 210µm/N
- Equivalent volume to the compliance VAS 75L
- Mechanical resistance RMS 8.28N·s/m
- Surround material Butyl Rubber
- Spider material Carbonized Nomex
Dimensions
- Nominal diameter 12″
- 300mm
- Overall diameter 298mm
- Baffle cutout diameter 282mm
- Overall depth 185mm
- Flange thickness 16mm
- Mounting depth 169mm
- Volume occupied by the driver 2.8L
- Frame material Heavy Gauge Steel
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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