It will make a good transport. Depending on your budget, the Schiit Dacs have a good rep as does the Denafrips Ares II at around $700.
Your coax cable makes a difference. The mellowest coax digital cable I've found is the Audio Advisor Penangea for $95. Belden's standard coax at $20 is also a good cable. I've tried the expensive cables and you can expect more detail but attendant brightness and more of what you don't like.
Also Have you done the latest Firmware update on your Oppo. They still have a legacy web site and can upgrade your unit They sent me a DVD to upgrade my Oppo 93 software.
Your coax cable makes a difference. The mellowest coax digital cable I've found is the Audio Advisor Penangea for $95. Belden's standard coax at $20 is also a good cable. I've tried the expensive cables and you can expect more detail but attendant brightness and more of what you don't like.
Also Have you done the latest Firmware update on your Oppo. They still have a legacy web site and can upgrade your unit They sent me a DVD to upgrade my Oppo 93 software.