I used Stereophile's loan sample of the Audio Precision SYS2722 system to measure the Resolution Audio Cantata (see www.ap.com and the January 2008 "As We See It"); for some tests, I also used my vintage Audio Precision System One Dual Domain and the Miller Audio Research Jitter Analyzer. As well as driving the Cantata with S/PDIF data from the Audio Precision analyzers, I used a MacBook running Mac OS10.6.8 and Pure Music 1.8 to play test-signal files via USB.
The Macintosh USB Prober utility identified the device as the "Cantata Music Center" from "…