Fi Car Audio SSD15 D2
2x1Ω
2x2Ω
Subwoofer
15″ / 397 mm
Nominal diameter
38 Hz
Resonance
0.4
Q factor
90 dB
Sensitivity
± 22 mm
Linear excursion
2500 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 89.7
- dB
- Resonance frequency (free air)
- fS
- 38.3
- Hz
- Mechanical quality factor
- QMS
- 6.05
- Electrical quality factor
- QES
- 0.42
- Total quality factor
- QTS
- 0.40
- Maximum linear excursion
- xmax
- 22.0
- mm
- Air volume displaced at xmax
- VD
- 1782
- cm³
- Power handling
- P
- 1250
- W
- Program power
- Pmax
- 2500
- W
- Nominal impedance
- Z
- 2 x 2
- Ω
- DC resistance (in series)
- RE
- 3.0
- Ω
- Inductance (1kHz, in series, estimated)
- LE
- 1.5
- mH
- Force factor (in series)
- Bl
- 24.3
- N/A
- Motor constant
- Bl/√RE
- 14.0
- N/√W
- Effective diameter
- 321
- mm
- Effective area
- SD
- 810
- cm²
- Moving mass
- MMS
- 351
- g
- Moving mass (without air load)
- MMD
- 334.2
- g
- Stiffness
- KMS
- 21.74
- N/mm
- Compliance
- CMS
- 46
- µm/N
- Equivalent volume to the compliance
- VAS
- 43.1
- L
- Mechanical resistance
- RMS
- 13.96
- 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