K 64 WP - 50 Ohm

Art. No. 2919

6.4 cm (2.5") full-range speaker with a plastic basket and plastic diaphragm. Broad frequency response and good voice reproduction. Particularly well suited to outdoor applications and where ambient conditions are generally unfavourable (e.g. high humidity).

*) IP protection class for front side when built into a sealed enclosure

Typical applications
Monitoring speaker for electronic devices
Monitoring speaker for outdoor systems
Attributes
  • weather-resistant
  • UV-resistant
  • Plastic: ABS (basket; UL 94: HB); Mylar (diaphragm)
  • Functionally at cold according to EN 60068-2-1/EN 50155
  • Cold storage (-40 °C) according to EN 60068-2-1/EN 50155
  • Functionally at damp heat (cyclic) according to EN 60068-2-3/EN 50155
  • Functionally at dry heat according to EN 60068-2-2/EN 50155

Technical Data

Rated power
2 W
Maximum power
3 W
Nominal impedance Z
50 Ohm
Frequency response
200–15000 Hz
Mean sound pressure level
86 dB (1 W/1 m)
Opening angle (-6 dB)
109°/4000 Hz
Excursion limit
+/−1.5 mm
Resonance frequency fs
300 Hz
Magnetic induction
0.7 T
Magnetic flux
45 µWb
Height of front pole-plate
2 mm
Voice coil diameter
10 mm
Height of winding
2.5 mm
Cutout diameter
60 mm
Net weight
0.05 kg
Connections
2.8 x 0.5 mm (+)2.8 x 0.5 mm (−)
Protective system
IP 65 *)
Temperature range
−40 ... 80 °C
Frequency- and impedance response
Directivity pattern