As a general 'open' question it depends on all the aforementioned 'depends'. And additional ones, such as budget.
My preference; I use a tube preamp with SS amp. I believe I get the most tube value in way of bloom and soundstage from this approach, given my system and budget.
My preference; I use a tube preamp with SS amp. I believe I get the most tube value in way of bloom and soundstage from this approach, given my system and budget.