I had one a few years back. This is quite a decent phonostage for the money. It is meant to be used with medium to low output MC cartridges. I used it with a Lyra Helikon and it had just the right amount of gain for that cartridge (I believe the cartridge output was somewhere near .5 mv). The output of the Linto should feed a line level input (e.g., AUX), not into another phono input (a phono input would have too much gain and would have equalization (already done in the Linto).
The Linto does not offer any way to adjust loading. The loading is fixed at something like 125 ohms. This works for most cartridges, so this is not as big a deal as I thought it would be.