I would add that the same improvements to circuits that reveal low-level information required for spacial cues, also reveal textural details & corrected pitch & timbre in voices & instruments. So it's not just about uncovering deep background. This is why that piano sounds so natural when heard from the adjacent room. This type of improvement has nothing to do with room treatments or reflected sound.
However, such improvements in electronics (at least when driving my Merlin or Wilson speakers) do nothing to enlarge the sweet spot. If anything, the effect is lens-like in the sense that movements in and out of the sweet spot are more easily detected & create dramatic shifts in L/R imaging.
However, such improvements in electronics (at least when driving my Merlin or Wilson speakers) do nothing to enlarge the sweet spot. If anything, the effect is lens-like in the sense that movements in and out of the sweet spot are more easily detected & create dramatic shifts in L/R imaging.
