High jitter (from aggresive DSP ???)

[cos2012]

MISTERY SOLVED !!!!!!!!

Thank you all for trying to figure this out with me.
I have found the problem.

I only use ONE unit and i thought maybe the problem is because the processor does not transform stereo-->mono properly and THIS IS IT !!
I used Downmix channels to mono plugin on my foobar and now all the music sounds OK.

If you use two units it will sound ok, but if you use only one take into consideration this issue

Thank you all !