All beers take on a significantly different flavor/perception after conditioning and carbonating. I wouldn't loose any sleep over it. Make a note of it and if the final beer isn't what you were hoping for it's just one thing to consider when you troubleshoot.
Conical : bohemian pils
Keg 1: Brown Ale__Keg 2: Hellas
Keg 3: Hellas__Keg 4: air
Keg 5: AIR 6: Edworts Apflewien
My HERMS rig