Recently my Gitane D500 has been getting some fret buzz, at the 10th and 11th fret. There was always i little hump at the 12th. The bridge was raised to compensate back in summertime. Action was about 2.5mm.
Now with the winter weather, it seems the buzz has come back. I raised it yet again with some pop sickle sticks to experiment. Now my action is slightly less 3.5mm.
I find it more difficult to play with this action but I can see myself getting used to it. But more noticeable is the string tension. How much is too much? Using Argentine 11s.