@esarhaddon1 ,
I think most people on here DO understand why size makes a difference, but I don't think that’s really what the OP was asking. I know you’re just trying to help.
In a nutshell, so long as you have the power and quality to drive (and more importantly CONTROL) your "speaker of choice", there’s simply no replacement for displacement. Of course, the WAF comes into play pretty quickly. Life is a trade-off. You should get what you like and enjoy what you have.
That being said, that’s as pretty tiny listening room (the OP’s pic), so I do believe that particular setup sounded quite good, especially if the OP doesn’t have a lot of experience with smaller/bookershelf-style speakers.
If the OP is looking for recommendations, I’d suggest checking out one of the newer versions of the LS 3/5a’s (Falcon or Harbeth, perhaps?). Bet those would knock your socks off, and I think they’re roughly around the same price.
Anyway, @since1991 , good luck on your journey. Happy listening.