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

**) 1 m height of water, 18.5 h

Typical applications
Monitoring 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 *)IP 68 *) **)
Temperature range
−40 ... 70 °C
Frequency- and impedance response
Directivity pattern