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lei 
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Nominal impedance, (Zn) 4 Ohm DC resistance, (Re) 2.81 Ohm Voice coil inductance, (Le) 0.01 mH Effective piston area, (Sd) 4.9 cm2 Voice coil diameter 19.3 mm Air gap height 2 mm Linear coil travel 0.2 mm Diaphragm material Fabric Rated power 60 W Net weight 0.17 kg Free air resonance, (Fs) 822 Hz Sensitivity, […]
| Nominal impedance, (Zn) |
4 Ohm
|
|---|---|
| DC resistance, (Re) |
2.81 Ohm
|
| Voice coil inductance, (Le) |
0.01 mH
|
| Effective piston area, (Sd) |
4.9 cm2
|
| Voice coil diameter |
19.3 mm
|
| Air gap height |
2 mm
|
| Linear coil travel |
0.2 mm
|
| Diaphragm material |
Fabric
|
| Rated power |
60 W
|
| Net weight |
0.17 kg
|
| Free air resonance, (Fs) |
822 Hz
|
|---|---|
| Sensitivity, (2.83V/1m) |
90.1 dB
|
| Mechanical Q-factor, (Qms) |
2.24
|
| Electrical Q-factor, (Qes) |
2.93
|
| Total Q-factor, (Qts) |
1.27
|
| Moving mass incl. air, (Mms) |
0.2 g
|
| Force factor, (Bl) |
1 T*m
|
| Equivalent volume, (Vas) |
0.0 L
|
| Compliance, (Cms) |
184.5 um/N
|
| Ratio BL/√Re |
0.59 N/√W
|
| Ratio Fs/Qts |
647 Hz
|
The THD measurements at distance of 315 mm and voltage levels 2.83 – 8 Volt were carried out with High Pass Filter “on” (2nd order Butterworth type, 800 Hz cutoff, HPF2-800)
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