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SB Acoustics SB12NRXF25-4

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SB Acoustics SB12NRXF25-4
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Model: 
SB12NRXF25-4
Brand: 
SBacoustics
Type: 
LF
Material: 
Paper
Size: 
4.00"
PDF doc: 
PDF icon sb12nrxf25-4.pdf

Technical data

Nominal impedance, (Zn)
4.00 Ohm
DC resistance, (Re)
3.1 Ohm
Voice coil inductance, (Le)
0.27 mH
Effective piston area, (Sd)
50 cm2
Voice coil diameter
25.4 mm
Air gap height
5 mm
Voice coil height
15 mm
Linear coil travel
5 mm
Magnetic flux density
0.84 T
Diaphragm material
Paper
Rated power
30 W
Net weight
0.75 kg
Free air resonance, (Fs)
61.00 Hz
Sensitivity, (2.83V/1m)
87.00 dB
Mechanical Q-factor, (Qms)
5.3
Electrical Q-factor, (Qes)
0.53
Total Q-factor, (Qts)
0.48
Mechanical loss, (Rms)
0.42 kg/s
Moving mass incl. air, (Mms)
5.8 g
Force factor, (Bl)
3.6 T*m
Equivalent volume, (Vas)
4.10 L
Compliance, (Cms)
1.17 mm/N
Ratio BL/√Re
2.04 N/√W
Ratio Fs/Qts
127 Hz

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