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SB Acoustics SB12PFC25-4-COAX specifications.
Car speakers Specs << SB Acoustics << SB Acoustics SB12PFC25-4-COAX| Specification | | | Reviews |
General characteristics SB Acoustics SB12PFC25-4-COAX
Type:
Coaxial
Size:
4"
RMS Power:
30 W
Max Power:
60 W
Sensitivity:
87 dB
Impedance:
4Ω
DC resistance:
3.1 Ω
Resonant frequency:
58 Hz
Total Q factor:
0.33
Suspension equivalent air volume:
4.8 L
Maximum linear excursion:
5 mm
Electrical Q:
0.36
Mechanical Q:
4.07
Voice coil inductance:
0.26 mH
Force factor:
3.8 T·m
Suspension mechanical resistance:
0.4 N·s/m
Suspension mechanical compliance:
1660 µm/N
Moving mass:
4.3 g
Moving mass (including airload):
4.5 g
Surface of the diaphragm:
45 cm²
Effective diaphragm diameter:
7.6 cm
Maximum linear excursion:
± 5 mm
Displacement volume at Xmax:
22.5 cm³
Efficiency:
0.25 %
Efficiency bandwidth product:
161
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