Fi Car Audio SP3 12 D2
2x1Ω
2x2Ω
Subwoofer
12″ / 318 mm
Nominal diameter
34 Hz
Resonance
0.31
Q factor
87 dB
Sensitivity
± 34 mm
Linear excursion
5000 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 86.6
- dB
- Resonance frequency (free air)
- fS
- 33.7
- Hz
- Mechanical quality factor
- QMS
- 5.97
- Electrical quality factor
- QES
- 0.33
- Total quality factor
- QTS
- 0.31
- Maximum linear excursion
- xmax
- 34.0
- mm
- Air volume displaced at xmax
- VD
- 1632
- cm³
- Power handling
- P
- 2500
- W
- Program power
- Pmax
- 5000
- W
- Nominal impedance
- Z
- 2 x 2
- Ω
- DC resistance (in series)
- RE
- 3.6
- Ω
- Inductance (1kHz, in series, estimated)
- LE
- 1.58
- mH
- Force factor (in series)
- Bl
- 25.7
- N/A
- Motor constant
- Bl/√RE
- 13.5
- N/√W
- Effective diameter
- 247
- mm
- Effective area
- SD
- 480
- cm²
- Moving mass
- MMS
- 287
- g
- Moving mass (without air load)
- MMD
- 279.1
- g
- Stiffness
- KMS
- 12.84
- N/mm
- Compliance
- CMS
- 78
- µm/N
- Equivalent volume to the compliance
- VAS
- 25.1
- L
- Mechanical resistance
- RMS
- 10.18
- N·s/m
- Nominal diameter
- 12
- ″
- 318
- mm
- Overall diameter
- 318
- mm
- Baffle cutout diameter
- 283
- mm
- Mounting depth
- 254
- mm
- Volume occupied by the driver
- 5.38
- L
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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