Technical Data
Sketch
Amplitude & Impedance Frequency
Directivity pattern
| Rated power | 20 W |
|---|---|
| Maximum power | 30 W |
| Nominal impedance Z | 4 Ohm |
| Frequency response | 80–15000 Hz |
| Mean sound pressure level | 82 dB (1 W/1 m) |
| Excursion limit | +/−2.5 mm |
| Resonance frequency fs | 103 Hz |
| Magnetic induction | 0.8 T |
| Magnetic flux | 150 µWb |
| Height of front pole-plate | 3 mm |
| Voice coil diameter | 20 mm |
| Height of winding | 4.5 mm |
| Cutout diameter | 76 mm |
| Net weight | 0.25 kg |
| D.C. resistance Rdc | 3.4 Ohm |
| Mechanical Q factor Qms | 3.03 |
| Electrical Q factor Qes | 1.52 |
| Total Q factor Qts | 1.01 |
| Equivalent volume Vas | 1.4 l |
| Effective piston area Sd | 30 cm² |
| Dynamically moved mass Mms | 2.2 g |
| Force factor Bxl | 2.1 T m |
| Inductance of the voice coil L | 0.18 mH |
