ALPINE S2-W12D2
2x2Ω
2x4ΩSubwoofer
| Nominal diameter | 12″ / 300 mm |
| Resonance | 26.6 Hz |
| Q factor | 0.43 |
| Sensitivity | 85.6 dB |
| Linear excursion | ± 15 mm |
| Program power | 1800 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 85.6dB
- Frequency response 23 - 215Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 26.6Hz
- Mechanical quality factor QMS 6.50
- Electrical quality factor QES 0.46
- Total quality factor QTS 0.43
Large signal parameters
- Maximum linear excursion (one way) xmax 15mm
- Maximum excursion before damage xlim 32mm
- Air volume displaced at xmax VD 708cm³
- Power handling P 600W
- Program power Pmax 1800W
- Peak power Ppeak 1800W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 3.6Ω
- Inductance (1kHz, in series) LE 3.79mH
- VC Diameter 65.5mm
- Former material Aluminum
Magnet
- Force factor (in series) Bl 16.4N/A
- Motor constant Bl/√RE 8.64N/√W
- Diameter 155mm
- Weight 1.81kg
- Material Strontium Ferrite
Diaphragm
- Effective diameter 245mm
- Effective area SD 472cm²
- Moving mass (including air load) MMS 206g
- Moving mass MMD 200g
- Material PP/Carbon Fiber
Suspensions
- Stiffness KMS 5.75N/mm
- Compliance CMS 174µm/N
- Equivalent volume to the compliance VAS 55.1L
- Mechanical resistance RMS 5.29N·s/m
- Surround material HAMR Surround
- Spider material Progressive Spider
Dimensions
- Nominal diameter 12″
- 300mm
- Overall diameter 322mm
- Baffle cutout diameter 273mm
- Overall depth 149mm
- Flange thickness 25mm
- Mounting depth 124mm
- Volume occupied by the driver 1.7L
- Frame material Steel
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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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