As I wrote in this space
last month, test-equipment manufacturer
Audio Precision has loaned
Stereophile a sample of their top-of-the-line SYS2722 system, which has both significantly greater resolution and greater bandwidth than the Audio Precision System One Dual Domain we have been using since 1989. The reviews you can read in this issue include the first measurements I have performed with this impressive piece of gear, though there are still a number of graphs I produced using our System One. In fact, with the equipment I tested using the SYS2722, I performed duplicate sets of measurements using both the System One and the Miller Audio Research QC Suite in order to get a handle on how close the three systems agreed. (They did on the tests where the SYS2722's improved resolution was not a factor.)
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