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Thumbnail Filmstrip of K 28.40 - 8 Ohm Images
Visaton Speaker Driver - K 28.40 - 8 Ohm Miniature Loudspeaker
Art. No. 2945
Visaton K28.40 - 8 Ohm Miniature Speaker
Characteristics and Sound Properties
2.8 x 4.0 cm (1.1" x 1.6") miniature speaker with paper cone and rectangular plastic basket. Small dimensions due to neodymium magnet. The excellent interaction between the different components achieves a very linear frequency response. Connection via soldering points on rear side.
Technical Specifications
Rated power | 2 W |
Maximum power | 3 W |
Nominal impedance Z | 8 Ohm |
Frequency response | 230–20000 Hz |
Mean sound pressure level | 79 dB (1W/1m) |
Resonance frequency fs | 450 Hz |
Voice coil diameter | 14 mm |
Height of winding | 3 mm |
Cutout diameter | 26 x 37 mm |
Net weight | 0.014 kg |
Driver Dimensions
Loudspeaker Driver Dimensions and Measurements - all dimensions in mm (approx.)
Frequency and Impedance Response
Loudspeaker Frequency and Impedance Response Graph