Does your SGCD’s HT Passthrough work OK? I got a loud pop/thump when switching to/from HT pass through input from another input like spdif/USB/I2S. PS Audio confirmed the problem, but ignores. It’s been like 6 months now.
https://forum.psaudio.com/t/new-sgcd-loud-pop-thump-when-changing-to-from-ht-input/5969