Digital Processor Reviews

Digital Sources: Apple MacBook Pro computer (2.66GHz Intel Core 2 Duo, 8GB RAM, 512GB SSD) running OS 10.10.4, Roon V1 Build 30, JRiver Media Center 19, iTunes 12, Amarra Computer Music Player, VLC, Reaper 4.78, XLD; Western Digital NAS Device (2TB); Oppo Digital BDP-103 universal BD player; Meridian Sooloos Control 15 music server (QNAP TS-669 Pro NAS); Apple iPad Air & iPod Touch 1G & iPhone 6.
Digital Processors: AudioQuest DragonFly USB DAC, Auralic Vega, Ayre Acoustics QB-9^DSD, Benchmark DAC1 USB and DAC2 HGC, Cambridge Audio DacMagic XS, Rega Research DAC-R, Luxman DA-06.
Preamplifier: Marantz AV7005 in Pure Direct Mode.
Power Amplifiers: Classé CAM 350 monoblocks.
Loudspeakers: MartinLogan Prodigy & BalancedForce 212 subwoofers (2). For desktop & recording monitoring: Emotiva Airmotiv 5s, Velodyne Servo-F Series subwoofer.
Headphones: Audeze LCD-X, Grado HP1, NAD Viso, Sennheiser HD800.
Cables: USB: AudioQuest Victoria (DragonFly) & Diamond, Cardas Clear. S/PDIF: AudioQuest HD6 Carbon (studio to main listening room), Cardas Neutral Reference, XLO UltraPLUS UP4U. Line level: Kimber Kable (various), XLO HT Pro. Speaker: Kimber Kable BiFocal XL.
AC Power: Dedicated 40A line (amplifiers), dedicated 15A lines (digital & analog components).—Jon Iverson