BF 45 4 OHM

Art. No. 2240

4.5 cm (1.8") miniature speaker with aluminium diaphragm and transparent plastic basket with two mounting holes. Balanced frequency response and very good low range reproduction. Suitable for applications where slim construction and good music and speech reproduction are requested.

sketch

frequency- and impedance response

Technical Data:
Rated power	4 W
Maximum power	8 W
Nominal impedance Z	4 Ohm
Frequency response	90–20000 Hz
Mean sound pressure level	79 dB (1 W/1 m)
Resonance frequency fs	158 Hz
Height of front pole-plate	3 mm
Voice coil diameter	17 mm
Height of winding	4 mm
Cutout diameter	45 mm
Net weight	0,032 kg

directivity pattern

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