SL 87 WPM - 4 Ohm
Art. No. 2087
Waterproof 8 cm (3.3") fullrange speaker with a transparent plastic cone and rubber sealing ring. High mean sound pressure level and compact design. Optimised for voice and signal output.
*) IP protection class for front side when built into a sealed enclosure
Typical applications
- Control speaker for electronic devices
- Outdoor sound reinforcement systems
Attributes
- UV-resistant
- weather-resistant
Technical Data
| Rated power | 20 W |
|---|---|
| Maximum power | 30 W |
| Nominal impedance Z | 4 Ohm |
| Frequency response | 200–5000 Hz |
| Mean sound pressure level | 89 dB (1 W/1 m) |
|---|---|
| Opening angle (-6 dB) | 142°/4000 Hz |
| Excursion limit | +/−1,5 mm |
| Resonance frequency fs | 290 Hz |
| Magnetic induction | 0,87 T |
| Magnetic flux | 165 µWb |
| Height of front pole-plate | 3 mm |
| Voice coil diameter | 20 mm |
| Height of winding | 5 mm |
| Cutout diameter | 80 mm |
| Net weight | 0,24 kg |
| Connections | 2,8 x 0,5 mm (+) 2,8 x 0,5 mm (−) |
| Protective system | IP 65 *) |
| Temperature range | −40 ... 70 °C |
Show all data
sketch
frequency- and impedance response
directivity pattern
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