Fi Car Audio BL12v3.1 D2
2x1Ω
2x2Ω
Subwoofer
12″ / 318 mm
Nominal diameter
37 Hz
Resonance
0.3
Q factor
88 dB
Sensitivity
± 20 mm
Linear excursion
3500 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 88.3
- dB
- Resonance frequency (free air)
- fS
- 36.6
- Hz
- Mechanical quality factor
- QMS
- 7.46
- Electrical quality factor
- QES
- 0.33
- Total quality factor
- QTS
- 0.30
- Maximum linear excursion
- xmax
- 20.0
- mm
- Air volume displaced at xmax
- VD
- 960
- cm³
- Power handling
- P
- 1750
- W
- Program power
- Pmax
- 3500
- W
- Nominal impedance
- Z
- 2 x 2
- Ω
- DC resistance (in series)
- RE
- 2.8
- Ω
- Inductance (1kHz, in series, estimated)
- LE
- 1.06
- mH
- Force factor (in series)
- Bl
- 21.9
- N/A
- Motor constant
- Bl/√RE
- 13.1
- N/√W
- Effective diameter
- 247
- mm
- Effective area
- SD
- 480
- cm²
- Moving mass
- MMS
- 225
- g
- Moving mass (without air load)
- MMD
- 217.1
- g
- Stiffness
- KMS
- 11.95
- N/mm
- Compliance
- CMS
- 84
- µm/N
- Equivalent volume to the compliance
- VAS
- 27
- L
- Mechanical resistance
- RMS
- 6.94
- N·s/m
- Nominal diameter
- 12
- ″
- 318
- mm
- Overall diameter
- 318
- mm
- Baffle cutout diameter
- 283
- mm
- Mounting depth
- 171
- mm
- Volume occupied by the driver
- 5.1
- L