Fi Car Audio Alpha v2 12 S2
2Ω
4ΩSubwoofer
| Nominal diameter | 12″ / 318 mm |
| Resonance | 40.7 Hz |
| Q factor | 0.51 |
| Sensitivity | 87.6 dB |
| Linear excursion | ± 16 mm |
| Program power | 1500 W |
Discontinued
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 87.6dB
Thiele & Small parameters
- Resonance frequency (free air) fS 40.7Hz
- Mechanical quality factor QMS 6.05
- Electrical quality factor QES 0.55
- Total quality factor QTS 0.51
Large signal parameters
- Maximum linear excursion (one way) xmax 16mm
- Air volume displaced at xmax VD 770cm³
- Power handling P 750W
- Program power Pmax 1500W
Voice Coil
- Nominal impedance Z 2Ω
- DC resistance RE 1.8Ω
- Inductance (1kHz, estimated) LE 1.26mH
Magnet
- Force factor Bl 12.2N/A
- Motor constant Bl/√RE 9.08N/√W
Diaphragm
- Effective diameter 247mm
- Effective area SD 481cm²
- Moving mass (including air load) MMS 178g
- Moving mass MMD 170g
Suspensions
- Stiffness KMS 11.8N/mm
- Compliance CMS 85µm/N
- Equivalent volume to the compliance VAS 27.8L
- Mechanical resistance RMS 7.54N·s/m
Dimensions
- Nominal diameter 12″
- 318mm
- Overall diameter 318mm
- Baffle cutout diameter 283mm
- Mounting depth 171mm
- Volume occupied by the driver 3.11L
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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