HiFiCompass
| Nominal impedance, (Zn) | 4.00 Ohm |
|---|---|
| DC resistance, (Re) | 3.4 Ohm |
| Voice coil inductance, (Le) | 0.14 mH |
| Effective piston area, (Sd) | 158 cm2 |
| Voice coil diameter | 39 mm |
| Air gap height | 6 mm |
| Voice coil height | 19.6 mm |
| Linear coil travel | 6.8 mm |
| Magnetic flux density | 1.1 T |
| Diaphragm material | Paper+EgyptianPapyrus |
| Rated power | 70 W |
| Net weight | 1.48 kg |
| Free air resonance, (Fs) | 32.00 Hz |
|---|---|
| Sensitivity, (2.83V/1m) | 91.50 dB |
| Mechanical Q-factor, (Qms) | 4.11 |
| Electrical Q-factor, (Qes) | 0.3 |
| Total Q-factor, (Qts) | 0.28 |
| Mechanical loss, (Rms) | 0.9 kg/s |
| Moving mass incl. air, (Mms) | 18.4 g |
| Force factor, (Bl) | 6.5 T*m |
| Equivalent volume, (Vas) | 48.00 L |
| Compliance, (Cms) | 1.35 mm/N |
| Ratio BL/√Re | 3.525 N/√W |
| Ratio Fs/Qts | 114 Hz |