Nominal Impedance |
4 Ω |
Free air resonance, Fs |
26.3 Hz |
DC resistance, Re |
3.3 Ω |
Sensitivity (2.83 V / 1 m) |
91.0 dB |
Voice coil inductance, Le |
0.29 mH |
Mechanical Q-factor, Qms |
5.66 |
Effective piston area, Sd |
255 cm2 |
Electrical Q-factor, Qes |
0.37 |
Voice coil diameter |
49.5 mm |
Total Q-factor, Qts |
0.35 |
Voice coil height |
23.5 mm |
Moving mass incl.air, Mms |
42.8 g |
Air gap height |
6 mm |
Force factor, Bl |
7.9 Tm |
Linear coil travel (p-p) |
17.5 mm |
Equivalent volume, Vas |
79.0 liters |
Magnetic flux density |
1.07 T |
Compliance, Cms |
0.86 mm/N |
Magnet weight (NEO) |
1.36 kg |
Mechanical loss, Rms |
1.25 kg/s |
Net weight |
3.9 kg |
Rated power handling* |
90 W |
* IEC 268-5, T/S parameters measured on drive units that are broken in. |