My ASR-10 was purchased in july of this year from a guy who had about a $1,000 USD worth of work done by them. No midi, just audio. He said that before he sent it to theSoniq.com, if he tried to sample it would be unusable. They fixed it.
MY THOUGHTS???
There is a distinctly loud buzz that comes from the power supply
I can hear it out of the headphones a little.
I think that they are ever so slightly there in the main outs, yet so faint that when I track in beats it is literally undetectable(believe me i checked thoroughly) Basically the only way you can hear the buzz is if you put your head right next to the power supply-like I said before, more of a nuisance than anything.
I know that the person who it belonged to before me barely ever used it so...
Maybe it's always been shite.

Bottom line i have no problems sampling/resampling.
p.s. if any body got any ideas on my buzzy power supply holla
