Fi Car Audio BL15v3.1 D1
2x1Ω
2x2ΩSubwoofer
15″ / 397 mm
Nominal diameter
35 Hz
Resonance
0.34
Q factor
91 dB
Sensitivity
± 20 mm
Linear excursion
3500 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 91.4
- dB
- Resonance frequency (free air)
- fS
- 34.8
- Hz
- Mechanical quality factor
- QMS
- 7.81
- Electrical quality factor
- QES
- 0.36
- Total quality factor
- QTS
- 0.34
- Maximum linear excursion
- xmax
- 20.0
- mm
- Air volume displaced at xmax
- VD
- 1620
- cm³
- Power handling
- P
- 1750
- W
- Program power
- Pmax
- 3500
- W
- Nominal impedance
- Z
- 2 x 1
- Ω
- DC resistance (in series)
- RE
- 1.4
- Ω
- Inductance (1kHz, in series, estimated)
- LE
- 0.59
- mH
- Force factor (in series)
- Bl
- 15.5
- N/A
- Motor constant
- Bl/√RE
- 13.1
- N/√W
- Effective diameter
- 321
- mm
- Effective area
- SD
- 810
- cm²
- Moving mass
- MMS
- 269
- g
- Moving mass (without air load)
- MMD
- 252.2
- g
- Stiffness
- KMS
- 13.51
- N/mm
- Compliance
- CMS
- 74
- µm/N
- Equivalent volume to the compliance
- VAS
- 68.1
- L
- Mechanical resistance
- RMS
- 7.53
- N·s/m
- Nominal diameter
- 15
- ″
- 397
- mm
- Overall diameter
- 397
- mm
- Baffle cutout diameter
- 359
- mm
- Mounting depth
- 210
- mm
- Volume occupied by the driver
- 5.95
- L