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Fi Car Audio SP3 18 D2 specifications.
Car speakers Specs << Fi Car Audio << Fi Car Audio SP3 18 D2| Specification | | | Reviews |
General characteristics Fi Car Audio SP3 18 D2
Type:
Subwoofer
Size:
18"
RMS Power:
2500 W
Max Power:
5000 W
Sensitivity:
91 dB
Impedance:
2x 2Ω
DC resistance:
1.8 Ω
Resonant frequency:
32 Hz
Total Q factor:
0.41
Suspension equivalent air volume:
128 L
Maximum linear excursion:
34 mm
Resonant frequency:
32.1 Hz
Electrical Q:
0.43
Mechanical Q:
7.41
Suspension equivalent air volume:
128.1 L
Force factor:
18.2 T·m
Suspension mechanical resistance:
10.7 N·s/m
Suspension mechanical compliance:
63 µm/N
Moving mass:
364.2 g
Moving mass (including airload):
394 g
Surface of the diaphragm:
1210 cm²
Effective diaphragm diameter:
39.3 cm
Maximum linear excursion:
± 34 mm
Displacement volume at Xmax:
4114 cm³
Efficiency:
0.96 %
Efficiency bandwidth product:
74
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