Originally Posted by evdberg
The Octava HDSA71 does not have any upsampling or other apodizing filters ... however, the difference I hear between the optical and multichannel input is similar to what crion describes ... looks like HDMI is the 'special sauce'.

Perhaps high jitter is good after all? wink

Main system - Sources (Kodi-HTPC, Vero 4k, FireTV, Sat) into Trinnov Altitude 32 (8-16) (+Roon), Trinnov Amplitude 8 amp & Vivid Audio (Giya G3, V1.5) and REL Stentor III speakers. Others: F80 + Raspberry Pi and other Pi systems.