sketch
frequency- and impedance response
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| Technical Data: |
| Rated power |
40 W |
| Maximum power |
60 W |
| Nominal impedance Z |
8 Ohm |
| Frequency response |
70–20000 Hz |
| Mean sound pressure level |
87 dB (1 W/1 m) |
| Opening angle (-6 dB) |
41°/4000 Hz |
| Excursion limit |
+/−3 mm |
| Resonance frequency fs |
75 Hz |
| Magnetic induction |
0,75 T |
| Magnetic flux |
190 µWb |
| Height of front pole-plate |
4 mm |
| Voice coil diameter |
20 mm |
| Height of winding |
4 mm |
| Cutout diameter |
143 mm |
| Net weight |
0,47 kg |
| D.C. resistance Rdc |
6,8 Ohm |
| Mechanical Q factor Qms |
4,94 |
| Electrical Q factor Qes |
3,26 |
| Total Q factor Qts |
1,96 |
| Equivalent volume Vas |
16 l |
| Effective piston area Sd |
129 cm² |
| Dynamically moved mass Mms |
5,9 g |
| Force factor Bxl |
2,5 T m |
| Inductance of the voice coil L |
0,8 mH |
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