No definitive answer; won't know unless you try. I have one of the predecessors to your CD, the 707ES, and I favor the balanced over the single ended outputs. Any audio dealer worth buying from should loan you interconnects for an at home trail.
Do you need to use ALL balanced cables?
I have: XA7ES CD Player: w/balanced & unbalanced outputs GFP-750 Preamp: "" SF SFM-160 Amps: unbalanced only (feeding Virgos) I have decided I like the sound of the passive preamp verses the cd player's variable analog outputs. I am currently using unbalanced interconnects between the CD Player and the Preamp. Will I see improvement if I spring for a set of balanced cables to connect the Cd and preamp?