Call the good folks at Oppo & ask them - I'm sure you will get a good answer.
You can also Google "oppo bd83 bass management across formats" & see what you find.
I don't have a clue - see below for why.
If you have (or get) Vandersteen speakers (2Ce SIG II; or 3A SIG) and use his 2WQ Stereo (as in 2) subwoofers (as I do), you don't NEED "Bass-management" - just tell your pre-pro or Receiver that your fronts are FULL RANGE and forget it! [:-o)>
You can also Google "oppo bd83 bass management across formats" & see what you find.
I don't have a clue - see below for why.
If you have (or get) Vandersteen speakers (2Ce SIG II; or 3A SIG) and use his 2WQ Stereo (as in 2) subwoofers (as I do), you don't NEED "Bass-management" - just tell your pre-pro or Receiver that your fronts are FULL RANGE and forget it! [:-o)>