20 mm (0.8") polycarbonate HiFi driver with round shaped front plate for the highrange above 3000 Hz. Balanced frequency response and good omnidirectional sound distribution. High power handling due to ferrofluid-cooled voice-coil.
| Nominal impedance Z | 4 Ohm |
|---|---|
| Frequency response | 1200–22000 Hz |
| Mean sound pressure level | 90 dB (1 W/1 m) |
| Opening angle (-6 dB) | 84°/8000 Hz |
| Resonance frequency fs | 1900 Hz |
| Magnetic induction | 1.2 T |
| Magnetic flux | 185 µWb |
| Height of front pole-plate | 2.5 mm |
| Voice coil diameter | 20 mm |
| Height of winding | 2 mm |
| Cutout diameter | 64 mm |
| Net weight | 0.24 kg |
| D.C. resistance Rdc | 3.1 Ohm |
| Mechanical Q factor Qms | 3 |
| Electrical Q factor Qes | 0.6 |
| Total Q factor Qts | 0.5 |
| Effective piston area Sd | 3 cm² |
| Dynamically moved mass Mms | 0.2 g |
| Inductance of the voice coil L | 0.09 mH |
| Connections | 4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-) |
| Peak power handling with high pass | 100 W (12 dB/Okt.; 4000 Hz)80 W (12 dB/Okt.; 2000 Hz) |
| Nominal power handling with high pass | 70 W (12 dB/Okt.; 4000 Hz)50 W (12 dB/Okt.; 2000 Hz) |
