Fi Car Audio IB315 v2 S2
2Ω
4ΩSubwoofer
15″ / 397 mm
Nominal diameter
26 Hz
Resonance
0.76
Q factor
87 dB
Sensitivity
± 34 mm
Linear excursion
1200 W
Program Power
![Fi Car Audio IB315 v2 S2 Subwoofer](/Fi/IB315_v2_S2/Fi_IB315_v2_S2_(Photo_1).png)
![Fi Car Audio IB315 v2 S2 Subwoofer](/Fi/IB315_v2_S2/Fi_IB315_v2_S2_(Photo_2).png)
![Fi Car Audio IB315 v2 S2 Subwoofer](/Fi/IB315_v2_S2/Fi_IB315_v2_S2_(Photo_3).png)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 86.7
- dB
- Resonance frequency (free air)
- fS
- 26.1
- Hz
- Mechanical quality factor
- QMS
- 8.73
- Electrical quality factor
- QES
- 0.83
- Total quality factor
- QTS
- 0.76
- Maximum linear excursion
- xmax
- 34.0
- mm
- Air volume displaced at xmax
- VD
- 2754
- cm³
- Power handling
- P
- 600
- W
- Program power
- Pmax
- 1200
- W
- Nominal impedance
- Z
- 2
- Ω
- DC resistance
- RE
- 1.8
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.81
- mH
- Force factor
- Bl
- 10.6
- N/A
- Motor constant
- Bl/√RE
- 7.9
- N/√W
- Effective diameter
- 321
- mm
- Effective area
- SD
- 810
- cm²
- Moving mass
- MMS
- 298
- g
- Moving mass (without air load)
- MMD
- 281.2
- g
- Stiffness
- KMS
- 7.87
- N/mm
- Compliance
- CMS
- 127
- µm/N
- Equivalent volume to the compliance
- VAS
- 115
- L
- Mechanical resistance
- RMS
- 5.6
- N·s/m
- Nominal diameter
- 15
- ″
- 397
- mm
- Overall diameter
- 397
- mm
- Baffle cutout diameter
- 359
- mm
- Mounting depth
- 203
- mm
- Volume occupied by the driver
- 4.81
- L
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
Export this driver to a simulation software:
Closed Box Simulator·![WinISD](/images/export/WinISD.png)
![Basta!](/images/export/Basta.png)
![Hornresp](/images/export/Hornresp.png)
![QSpeakers](/images/export/QSpeakers.png)
![SpeakerSim](/images/export/SpeakerSim.png)
![MfbLabs](/images/export/MfbLabs.png)
![Speakerbench](/images/export/Speakerbench.png)