Cubase mixdown sounds different

[luigi71cx3]

Hello people, I am very happy that my question has ignited a discussion so exhaustive, and I wold to thank each one.

I understood that to make an audio track for each midi track is the best way, so I will do this way. Following an answer from the Access support:

Dear Luigi,
No, the Virus does not operate differently when creating the audio file via the "audio mixdown" function. I monitor the output of Cubase during a realtime export, so I hear if anything goes wrong already during this process. Are you doing the same?
Also does this already go wrong if you do a test and simply solo the TI tracks and then create an audio file out of this? (by "printing an audio file" I literally mean creating an audio file with the audio mixdown function or whatever process a music software provides for this).

As you can see doing an audio track each midi track is also suggested by them.
Probabily the Virus TI2 does not suffer of this issue (maybe it can play the tracks simultaneously during the mixdown without matters).