Kef LS50s do exactly that. I have two pairs now in "other" rooms. My main system uses Canton floor sanders and have their own merits but the LS50s once positioned properly, absolutely do "disappear". I proved this when I had my kids over testing some other speakers and they had no clue where the sound was coming from until I connected the "other" speakers.
Are there speakers that disappear regardless of the recording?
I have a pair of B&W 805d3’s. Strictly analog system. Source is the Clearaudio Ovation, Hana SL cart. Herron VTPH-2A phono stage. Rogue Audio Cronus Magnum II integrated amp. The speakers sound great most of the time. I have many records that cause the speakers to essentially disappear with a holographic sound stage, beautiful imaging and great dynamics. Some other records, not so much. Curious if there’s a way to achieve disappearing speakers no matter what recording you throw at them? Thanks!