SB Acoustics SB21SDC-C000-4 Dome tweeter
Product Specifications
| Nominal Impedance | 4 ohms |
| DC resistence,Re | 3.1 ohms |
| voice coil inductance,Le | 0.04 mH |
| Free air resonance,Fs | 720 Hz |
| Sensitivity(2.83V/1m) | 91 dB |
| Mechanical Q-factor,Qms | 2.41 |
| Electrical Q-factor,Qes | 1.55 |
| Total Q-factor,Qts | 0.95 |
| Moving mass incl. air,Mms | 0.25 g |
| Force factor,BI | 1.5 Tm |
| Rated power handling* | 40 W |
| Effective piston area,Sd | 4.9 cm² |
| Voice coil diameter | 20.4 mm |
| Voice coil height | 1.5 mm |
| Air gap height | 2.5 mm |
| Linear coil travel(p-p) | 1 mm |
| Magnetic flux density | 1.02 T |
| Magnetic weight | 0.13 Kg |
| Net weight | 0.33 Kg |
Frequency and Impedance Graph:
Drawing:
