I am pretty sure that its type specific. I remember reading that Daher-socata were offering type ratings in the US for their TBM850, and recommended minimum hours was around 500 with an instrument rating if I remember well before they would let you start the training.
I doubt that EASA who love their types and more money for bits of paper type organisation would contemplate easing the requirements.
It is a very complex aeroplane so I guess it makes sense....