Compact Floor-standing Speaker Recommendations under $4k

Hello All, 

I'm continuing to build up my first HiFi system and am in need of some advice for my next speakers.  My current system is as follows: 

• Belles Aria Integrated Amp
• ClearAudio Concept w/ Satisfy Carbon Tonearm
• Nagaoka MP500 cartridge 
• Graham Slee Reflex M phono stage
• B&W 705 stand mount (the original series circa ~2004)

Generally, I'm very happy with my setup, however I do sometimes find it a bit bright   & fatiguing after longer listening sessions.  I believe the speakers may be the cause so I'm looking for recommendations based on my current system. 

I'd like to find a neutral speaker that's non-fatiguing and hopefully a bit more full range.  So I've been considering changing to floor-standing speakers to maybe get a bit more bass.  However, size and space are of concern so would like something reasonably compact.   I listen mainly to jazz, blues, folk and some classic rock.  Really love good vocals so would like a smooth midrange.  

My budget is $4k max (new or used is okay)

I'm early in my search but so far have been looking at Spendor A7's or Proac D20's. 

Unfortunately, where I live I don't have any nearby dealers or places to demo so will have to be purchased without an audition and hopefully have a good result. I know this isn't ideal, but it's unavoidable. 

Appreciate any recommendations...thanks!