 sketch
 frequency- and impedance response
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| Technical Data: |
| Rated power |
3 W |
| Maximum power |
4 W |
| Nominal impedance Z |
8 Ohm |
| Frequency response |
150–17000 Hz |
| Mean sound pressure level |
82 dB (1 W/1 m) |
| Opening angle (-6 dB) |
180°/4000 Hz hor. 131°/4000 Hz ver. |
| Excursion limit |
+/−1 mm |
| Resonance frequency fs |
245 Hz |
| Magnetic induction |
0,75 T |
| Magnetic flux |
100 µWb |
| Height of front pole-plate |
3 mm |
| Voice coil diameter |
14 mm |
| Height of winding |
4 mm |
| Cutout diameter |
43 x 82 mm (oval) |
| Net weight |
0,06 kg |
| D.C. resistance Rdc |
7,7 Ohm |
| Mechanical Q factor Qms |
6,98 |
| Electrical Q factor Qes |
10,02 |
| Total Q factor Qts |
4,11 |
| Equivalent volume Vas |
0,4 l |
| Effective piston area Sd |
26,5 cm² |
| Dynamically moved mass Mms |
1,2 g |
| Force factor Bxl |
1,2 Tm |
| Inductance of the voice coil L |
0,4 mH |
| Temperature range |
−25 ... 70 °C |
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