I had paired a Bel Canto DAC2 with an Audio Refinement CD Complete CD player and found the upgrade to be quite substantial. So I would suspect that you will also notice a significant upgrade in sound simply by adding the DAC2. I later replaced the AR CD player with a dedicated transport (Theta Pearl) and heard a distinct improvement in voice smoothness and instrument separation - more holographic. So maybe you use the Planet as a transport for now and upgrade to a dedicated transport sometime in the future.....
In my experience, it's worth experimenting with digital coax cables. When I got my Bel Canto DAC2, I tried several different ones from Analysis Plus, Harmonic Technologies, Acoustic Zen, Tributaries, and JPS Labs. In my system, the JPS coax won hands down.
Regarding power cables, I was able to audition a Shunyata Black Mamba power cable on my DAC and it made more of a difference than I would have ever imagined. Greater dynamics, "blacker" background, and it deepened and widened an already excellent soundstage. I was really surprised.
Good luck and have fun!
Kurt
In my experience, it's worth experimenting with digital coax cables. When I got my Bel Canto DAC2, I tried several different ones from Analysis Plus, Harmonic Technologies, Acoustic Zen, Tributaries, and JPS Labs. In my system, the JPS coax won hands down.
Regarding power cables, I was able to audition a Shunyata Black Mamba power cable on my DAC and it made more of a difference than I would have ever imagined. Greater dynamics, "blacker" background, and it deepened and widened an already excellent soundstage. I was really surprised.
Good luck and have fun!
Kurt