Gary L. Beard has posted a review of the Atma-Sphere Ultraviolet UV-1 preamplifier ($1900) at Positive Feedback. His conclusions:
“The UV-1′s dynamic and weighty immediacy never failed to draw me in to the music, and I especially enjoyed its ability to throw a spacious, well lit, stage. It is, perhaps, a tube purist’s preamp (or conversely, it may fashion you into a tube purist). Don’t let its small size and Spartan looks fool you; it is a serious audio component that is quite adept at conveying the musical message, and ultimately, that what most of us are looking for, isn’t it?”
You can read the full review here.
You can find links to more reviews of the Atma-Sphere Ultraviolet UV-1 preamplifier here.