|
| Electrical data |
|
|
|
| Nominal impedance |
Zn |
8 |
(ohm) |
| Minimum imp./at freq. |
Zmin |
6.7/133 |
(ohm/Hz) |
| Maximum impedance |
Zo |
118.0 |
(ohm) |
| Dc resistance |
Re |
5.8 |
(ohm) |
| Voice coil inductance |
Le |
2.8 |
(mH) |
| |
|
|
|
| TS Parameters |
|
|
|
| Resonance Frequency |
fs |
25.0 |
(Hz) |
| Mechanical Q factor |
Qms |
9.03 |
|
| Electrical Q factor |
Qes |
0.47 |
|
| Total Q factor |
Qts |
0.44 |
|
| |
|
|
|
| Force factor |
Bl |
12.5 |
(Tm) |
| Mechanical resistance |
Rms |
1.39 |
(Kg/s) |
| Moving mass |
Mms |
79.9 |
(g) |
| Suspens. compliance |
Cms |
0.51 |
(mm/N) |
| Effective cone diam. |
D |
21.2 |
(cm) |
| Effective piston area |
Sd |
352 |
(cm²) |
| Equivalent volume |
Vas |
86.7 |
(ltrs) |
| SPL 2.83V/1m at fmin |
|
87.2 |
(dB) | |
|
| Voice coil and magnet parameters |
|
| Voice coil diameter |
51.0 |
(mm) |
| Voice coil length |
33.0 |
(mm) |
| Voice coil layers |
4 |
|
| Height of the gap |
8.0 |
(mm) |
| Linear excursion +/- |
12.5 |
(mm) |
| Max mech. excursion +/- |
- |
(mm) |
| Total useful flux |
2.3 |
(mWb) |
| Diameter of magnet |
147 |
(mm) |
| Height of magnet |
35 |
(mm) |
| Weight of magnet |
2.4 |
(kg) |
| |
|
|
| Factors |
|
|
| Ratio fs/Qts |
56 |
|
| Ratio BL/sqrt(Re) |
5.2 |
|
| |
|
|
| Special remarks |
|
|
| - | |
|
