If you use a non-audiophile grade transport (a.k.a. computer), then something like an offramp is prudent. Another affordable option is the l-fi product's from AMR.Huh? Is a computer not simply another method of processing a digital signal, not unlike a CD/DVD disc player, or any number of transports available. What distinguishes an "audiophile grade transport" from a computer or another type of "non-audiophile grade transport?" Is it the case, the brand name, the price, the market audience? Who is the judge that decides whether certain gear is "audiophile grade," or not?
Some transports are going to sound better, based on design and implementation but at what point do they cross the threshold and become "audiophile grade?" My SS drive Mac mini always sounded good but, adding the Mojo Audio filter, linear PS, outboard AV drive, and cables took the performance to a level beyond my $7K disc player, IMO. Does this still fall short of being "audiophile grade?"