Visaton K 45 8 Ohm, 1.8 Inch, Miniature Speaker
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Product photographs and manufacturer drawings. Images are not to scale.
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The K 45 is a 4.5 cm miniature speaker with a Mylar diaphragm and a metal basket, made for signal output in machines and equipment where space is limited. The 8 Ω unit handles 1 W rated power, weighs 46 g and connects through solder lugs.
Typical applications
- Signal output in machines
- Equipment monitoring
Full specifications
| Rated power | 1 W |
|---|---|
| Maximum power | 2 W |
| Nominal impedance | 8 Ω |
| Frequency response (−10 dB) | 300–14000 Hz |
| Mean sound pressure level | 83 dB (1 W/1 m) |
| Resonance frequency fs | 520 Hz |
| Height of front pole-plate | 1.5 mm |
| Voice coil diameter | 14 mm |
| Height of winding | 2.5 mm |
| Cut-out | 41.5 mm |
| Net weight | 0.046 kg |
| Terminals | Solder lugs |
| Temperature range | –25 to 70 °C |
Dimensions and drawings

Dimension drawing · Open original image
Installation and cabinet guidance
Allow for a 41.5 mm opening and the 45 mm basket, with about 18 mm behind the panel for the magnet and solder lugs. Support the basket evenly around its rim.
Solder to the lugs, observe polarity and keep the drive within the 1 W rating from an output stage suitable for the 8 Ω load.
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