How important is the transport when using a DAC?

The ($4000) Theta Compli 3D is basically an Oppo 93 with a Theta faceplate and a linear powersupply and all the analog circuits ripped out. According to its owners it sounds quite a bit better than the Oppo 93.

I personally also have a linear powersupply in my Oppo 93, but never did an A/B comparison with the old powersupply.

MSB is another example I've heard several times recently that utilizes a quality linear PS and provides that natural realistic sound with exceptional tonality. I like to know what digital sources have this desirable presentation with a nonlinear PS.
Regards,

One thing I learned to avoid (and dismiss if others make them) in audio is making categorical statements about the inherent superiority of one technology over another.

It is probably possible to build a fine sounding DAC using both a linear and a switching powersupply.

Ed - Ive tried several linears and none of them work well for digital. Analog maybe. Even LI batteries with ultracaps in parallel are not as good.

Until you have heard a good switcher/series regulator, you cant possibly understand. Believe me, the difference is incredible. There are none like this available on the market yet BTW.

Steve N.
Empirical Audio

Steve, the best digital I have heard (by a mile) is the MSB series IV. A lot of people that have listened to every 5 figure DAC under the sun concurr. It uses a linear powersupply.

May be a better mousetrap using your switcher/series regulators is just around the corner. Who knows. Technology moves on.

For now, all I can say that if the best sounding DAC money can buy uses a linear powersupply, it is premature to write it off as technology unsuiteable for digital applications.