Please Recommend Highly Efficient Floor Standing Non-Horn Speaker Suggestions

If you are willing to do the audition at home and return if not satisfied routine, you should audition the Tekton Double Impacts.  In their price range they are pretty good--reasonably full and rich as well as being clear and detailed.  I personally don;t care that much about how something looks, so I did not mind that fit and finish is not in the class of the very best speakers.  Near that same $3,000 price range, and also quite efficient are the Rethm Bhaava (has powered woofers, amp built in).  

The Klispch Legacy speakers are pretty darn efficient.

All the best.

JD

Highly efficient its horns that’s it. And not mentioning what type of tube amp is not helping since tube amps are from 1/2 watt -200 watts. Good luck

Highly efficient its horns that’s it. 

That's it? That's the only option? That's the best option?

Bit of a hit and run, friend. What is your reasoning?

Consider Voxativ, which are very efficient and single driver. I’ve owned modded Klipsch Belles and Zu’s. All three are great, but very different listening experiences with SET. Because I like speed and precision for jazz vocals (e.g., Jacintha), Vox is it for me with their single drivers. Good luck