Pro-Ject MC Step Up Box S3 Step-up TransformerSound upgrade for your MC cartridge The output level of MC cartridges is very low, compared to a MM (Moving Magnet) one it is about 10x lower, which means, you need a special phono amplifier. A higher gain is needed to utilize the signals, which can result in a higher noise level and distortion. The MC Step Up Box S3 is the solution. Lively, dynamic & natural The MC Step Up Box S3 works very differently compared to a phono preamplifier. The windings