Why does my Denon 5910CE transport not sound good?

I've tried the Denon as a transport CD-player for my new Bel Canto dac3. I swear, an optical connection from my Mac computer, using iTunes, sounds far superior. More channel seperation, a wider frequency range and a great soundstage.
The outputs of my dac3 are running balanced into a Mcintosh MC275. I was hoping for it to be a jack of all trades, but if it doesn't cut it as a CD transport..... I am wondering if it has something to do with the Denon being a single ended, unbalanced machine.
I've heard Sony's make for good CD transports. Any wisdom would be greatly appreciated.

Showing 2 responses by lovepianos

thanks guys.
I've heard that the Sony CD transports are excellent. The Rotel RCD-1072 has one, and reviewers on Stereophile have used them as CD transports for auditioning equipment.
I beleive the Denon has a Pioneer transport.
I tried both the optical and coax digital outs on the Denon. The DAC I'm going into is the awesome Bel Canto dac3, so it sure isn't the DAC that's the issue.
Trying the optical going out of my Mac sounds really good, and perhaps I should just sell the Denon 5910. Perhaps there may be some setting that is off in the Denon though - it has a multitude of controls, and I just received it yesterday.