Visaton K 70 8 Ohm, 2.8 Inch, Full Range Speaker
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The K 70 is a low-cost 7 cm full-range speaker with a balanced frequency response, high efficiency and a low installation depth, made for monitoring speakers in electronic equipment, communication devices and model projects. The 8 Ω unit handles 2 W rated power and weighs 65 g.
Typical applications
- Equipment monitoring
- Communication technology
- Model construction
Full specifications
| Rated power | 2 W |
|---|---|
| Maximum power | 3 W |
| Nominal impedance | 8 Ω |
| Frequency response (−10 dB) | 170-20000 Hz |
| Mean sound pressure level | 85 dB (1 W/1 m) |
| Resonance frequency fs | 300 Hz |
| Height of front pole-plate | 2 mm |
| Voice coil diameter | 13.7 mm |
| Height of winding | 2.8 mm |
| Cut-out | 63 mm |
| Net weight | 65 g |
| Terminals | Solder lugs |
| Temperature range | -20 to 70 °C |
Dimensions and drawings

Dimension drawing · Open original image
Installation and cabinet guidance
Allow for a 63 mm opening and the 70 mm frame, with about 22 mm behind the panel for the magnet and solder lugs. Support the frame evenly around its rim.
Solder to the lugs, observe polarity and keep the drive within the 2 W rating from an amplifier or output stage suitable for the 8 Ω load.
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