K 28 WP 8 OHM

Art. No. 2909

2.8 cm (1.1") miniature speaker with a plastic diaphragm (Mylar). Balanced frequency response and good voice reproduction. Particularly well suited to applications in very small devices.

Typical applications:
- Monitoring speaker for electronic devices

Attributes:
- Functionally at cold according to EN 60068-2-1/EN 50155

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

sketch

frequency- and impedance response

Technical Data:
Rated power	1 W
Maximum power	2 W
Nominal impedance Z	8 Ohm
Frequency response	300−20000 Hz
Mean sound pressure level	75 dB (1 W/1 m)
Excursion limit	+/−0,5 mm
Resonance frequency fs	500 Hz
Voice coil diameter	10 mm
Height of winding	2 mm
Cutout diameter	21 mm
Net weight	0,007 kg
Protective system	IP 65 *)
Temperature range	−40 ... 70 °C

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