gdhal - what source is driving your Yggy?
What are your Delta-Sigma DAC’s?
Musical Fidelity M6si > Belden 5T00UP > Golden Ear Triton Reference (pair)
Schiit Yggdrasil > Canare L-4E6S XLR > M6si
Oppo UDP-205 > Belden 1694A (Canare RCAPs) > Yggdrasil
Emotiva ERC-3 > Belden 1800F AES/EBU > Yggdrasil
Samsung SMT-C5320 > Mitsubishi Eska POF > Yggdrasil
EDIT:
Steve, the Oppo and Emotiva (both delta sigma) which now act as transport were my primary source before I obtained the Yggy. I did perform extensive A/B testing, and that saga was documented here: https://forum.audiogon.com/discussions/new-yggdrasil-first-and-second-impressions