This week I have had the X-01 and UX-1 in my system, although not on the same days, and listened to both by themselves and as transports for my firewire versions of the dCS Purcell and Elgar Plus. I have also heard the EMM separates (DCC2 and new transport) through someone else's system. My preferences:
CD: The X-01 is marginally better than the UX-1, and almost but not quite stands up to the Purcell and Elgar Plus (using the X-01 as the transport for the Purcell and Elgar Plus), which are a bit clearer, more precise, especially on low-level detail, and have a bit more air and sense of space. But we're not talking bang for the buck here; if I didn't already have the dCS units, I could very happily live with the X-01 alone for CD playback. I wasn't particularly overwhelmed by my experience with the EMM pair, and found the presentation too bright, forward and lacking in lower midrange-upper midbass weight, although certainly the sound was as clear as it gets. But except for the speakers (Kharma) I wasn't familiar with the amps and cables in the other system (Tenor and JM Labs), and in any event my tonal preferences run to rich and warm. I am not for a moment suggesting that this last was a fair test, so take it for as much or as little as you think it's worth.
SACD: The X-01 is simply the very best I've ever heard--spacious, amazingly dynamic, as clean as it gets, and with as much sheer weight in orchestral music as the analog side of my system. I liked the EMM pair better in SACD than I did in CD--real space, real clarity--but again I far prefer the X-01, and, in any event, since the EMM's weren't in my system, it wasn't a fair test. The UX-1 was close, but couldn't equal, the X-01.
DVD-A: This was a shock. The UX-1 was simply third rate, completely unacceptable. My Esoteric DV-50 beat it by miles. This suggests to me that there was something wrong with the demo unit, but I don't know.
The one thing I can tell you for sure is that the only test worth anything is your own ears in your own system. Based on that, I'm ordering an X-01.
CD: The X-01 is marginally better than the UX-1, and almost but not quite stands up to the Purcell and Elgar Plus (using the X-01 as the transport for the Purcell and Elgar Plus), which are a bit clearer, more precise, especially on low-level detail, and have a bit more air and sense of space. But we're not talking bang for the buck here; if I didn't already have the dCS units, I could very happily live with the X-01 alone for CD playback. I wasn't particularly overwhelmed by my experience with the EMM pair, and found the presentation too bright, forward and lacking in lower midrange-upper midbass weight, although certainly the sound was as clear as it gets. But except for the speakers (Kharma) I wasn't familiar with the amps and cables in the other system (Tenor and JM Labs), and in any event my tonal preferences run to rich and warm. I am not for a moment suggesting that this last was a fair test, so take it for as much or as little as you think it's worth.
SACD: The X-01 is simply the very best I've ever heard--spacious, amazingly dynamic, as clean as it gets, and with as much sheer weight in orchestral music as the analog side of my system. I liked the EMM pair better in SACD than I did in CD--real space, real clarity--but again I far prefer the X-01, and, in any event, since the EMM's weren't in my system, it wasn't a fair test. The UX-1 was close, but couldn't equal, the X-01.
DVD-A: This was a shock. The UX-1 was simply third rate, completely unacceptable. My Esoteric DV-50 beat it by miles. This suggests to me that there was something wrong with the demo unit, but I don't know.
The one thing I can tell you for sure is that the only test worth anything is your own ears in your own system. Based on that, I'm ordering an X-01.