When I was considering purchase of Magnepans recently I was concerned about the ribbon reliability. I was told that Magnepan does not deny that these units can and do fail, but they provide repair service at very reasonable cost. In the end I bought MG 1.6 which don't have the ribbon, but not because of concern about ribbon reliability.
My suggestion...Let Magnepan do it.
My suggestion...Let Magnepan do it.