Best near wall high end speaker

I am extremely happy with my Larsen speakers. I originally purchased a pair or Larsen 6s and later upgraded to the larger 8s. These speakers are designed to be placed right smack against the wall and sound great. The 8s extend down to 23Hz and list for under $7K (I think). The smallest Larsen speaker, the 4, lists for less than $2K.

I agree with the others - this is not a good idea, you'll have two dimensional sound. $10k for this application makes little sense, just get something for $2k or so.

Gradient makes speaker designed to be placed against the back wall. The Revolution may be a little to large given your stated dimensions, but the Evidence and 6.0 fall within the specs you have provided. That said, I would probably bet that the Wilson Audio Duette would give you a higher level of performance (albeit at a much higher cost)

A little above your budget and a little too wide, but I’ll suggest Trenner and Friedl Pharoahs anyway. They also make these tiny little Sun speakers for around $2500 that are supposed to be quite good. Both are designed for near wall placement. 

Either Audio Note AN/J or AN/E, depending on room size, will work well in your situation.