5 x 9 cm (2" x 3.5") full-range speaker with wooden cone and stable plastic basket. Flat and lightweight design because of neodymium. The cooperation of the seperate components leads to a very linear frequency response up to deepest frequencies by way of comparison, so that the loudspeaker can be also used in miniature hi-fi speakers.
*) IP protection class for front side when built into a sealed enclosure
| Rated power | 4 W |
|---|---|
| Maximum power | 5 W |
| Nominal impedance Z | 8 Ohm |
| Frequency response | 85−20000 Hz |
| Mean sound pressure level | 82 dB (1 W/1 m) |
| Resonance frequency fs | 141 Hz |
| Magnetic induction | 1.15 T |
| Magnetic flux | 184 µWb |
| Height of front pole-plate | 2 mm |
| Voice coil diameter | 25.5 mm |
| Height of winding | 1.8 mm |
| Net weight | 60 g |
| D.C. resistance Rdc | 7.1 Ohm |
| Mechanical Q factor Qms | 3.16 |
| Electrical Q factor Qes | 2.55 |
| Total Q factor Qts | 1.41 |
| Equivalent volume Vas | 0.42 l |
| Effective piston area Sd | 26.8 cm² |
| Dynamically moved mass Mms | 3.0 g |
| Connections | 4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-) |
| Protective system | IP 63 *) |
