so your dilemma is exactly what i’m starting a consulting business to help people with.
the short answer to your question is yes, you need a dedicated system for quality 2 channel sound (i.e vinyl, though it’s not limited to just that)
in order to advise further, i’d need to see your room.  that’s where it all starts, with the room.  and that’s where i come into the picture.  i can’t name one high end audio dealer that approaches it that way, visit the customer’s room first.  they all just have their rooms and what the equipment can do in the showroom.  these are dealers who typically sell systems from $10K to $100k.
in all honesty, i don’t know how they can do it.  either they don’t know or don’t care but it’s simply impossible to advise someone on audio gear without starting with room acoustics and in order to do that you need to see and hear the room