Given what you’re looking for, if I’m you I’d look at a hybrid integrated like Unison Research or Pathos. If you don’t listen to boom boom music at loud levels I’d highly recommend looking at the Octave V70 or a used V110 as I think their sound qualities also match well with your tastes/goals. There happens to be a near-new V110SE for $6150 available on EBay now that’d be well worth a look...
https://www.ebay.com/itm/234412897564
I think any of these brands would be a great fit. Personally, I’d start with Unison Research because I find B&Ws crave some power that the UR integrateds can deliver, and you only have to deal with input tubes that tend to last longer and cost less than output tube so less hassle/expense overall. Read the reviews and see which fits your needs best. Anyway, hope this helps, and best of luck.