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I use a battery operated tablet to mitigate the issues highlighted by Stephen. No SMPS noise source. It is connected to my Yggy via a 1.5M Platinum somethingorother from WW.
Dedicated end point devices may produce less noise on the USB lines. But I would have to measure it to be convinced because I’ve seen some terrible digital designs from high end audio companies. I’d also note that not all DAC USB inputs have the same level of isolation. There are multiple stages of USB transformer isolation on the Schiit Unison board. Looking at the parts on the board I count three separate stages of isolation. So not all DACs are equal. Some are more equal than others.
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Main System: Amati Futura Mains Amati Homage VOX Center, Proac Response 1sc Rears, Three MC2301's for L,C,R MC 602 for the rears C 1100, MX 151, MCD 1100, MR 80 Nottingham Dais with Wave Mechanic Sumiko Palo Santos Presentation SurfacePro 3, RPi 4, ROON, WW Starlight Platinum USB, Schiit Yggdrasil, Benchmark DAC3 HGC MX 151, OppO BDP-95, JVC RS-500 DILA projector, 106" diagonal Stewart Luxus Screenwall Deluxe with Studiotek 130 G3 material. Lake House: Ohm F, MC 275V, C2300, MR 77, Rega P3 OnDeck: McIntosh MAC 4300v |
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