I examined the measured behavior of the Musical Fidelity V90-DAC with my Audio Precision SYS2722 system (see www.ap.com and the January 2008 "As We See It"). For some tests, and to check the results of others with a different measurement system, I used my vintage Audio Precision System One DSP. My sample of the V90-DAC was serial number "RRY0135 (JUNE 2013)."
I used my 2012-vintage Apple MacBook Pro, running on battery power, to examine the V90-DAC's performance via its USB port. Apple's USB Prober utility identified the Musical Fidelity as having the…