I had A problem with my Ref3, it wasn't a big deal, one of the tube socket's had to be changed at the two year mark, ( purchased it new ) , the repair was done locally. The hour meter can be reset, so be careful if your looking for a used one.
ARC Ref 3 preamp - updates or concerns
I am considering a used Ref 3. Are there any updates in its lifecycle or potential issues to look out for on these units? I will be pairing with a Ref 110 and also considering a new LS27, though the Ref 3 can be had for about $1k less than new LS27. Any feedback or advice is much appreciated.