
SB Acoustics SB12MNRX2-25-4 4'' Midrange
Product Specifications
Nominal Impedance | 4 ohms |
DC resistence,Re | 3.2 ohms |
voice coil inductance,Le | 0.15 mH |
Free air resonance,Fs | 63.5 Hz |
Sensitivity(2.83V/1m) | 90.5 dB |
Mechanical Q-factor,Qms | 4.19 |
Electrical Q-factor,Qes | 0.35 |
Total Q-factor,Qts | 0.32 |
Moving mass incl. air,Mms | 4.2 g |
Force factor,BI | 3.9 Tm |
Equivalent volume,Vas | 5.3 liters |
Compliance,Cms | 1.5 mm/N |
Mechanical loss,Rms | 0.4 Kg/s |
Rated power handling* | 50W |
Effective piston area,Sd | 50 cm² |
Voice coil diameter | 25.4 mm |
Voice coil height | 9.4 mm |
Air gap height | 5 mm |
Linear coil travel(p-p) | 4.4 mm |
Magnetic flux density | 1.03 T |
Magnetic weight | 0.4 Kg |
Net weight | 0.92 Kg |