I'm not an expert, but from

How long does the "breaking in period" at the g10c. I play at home. What do you advise?

Sorry for my english

I'm not an expert, but from my own experience and what I've heard from others, about 24 hours of playing time.

They really aren't bad right out of the box but my Et-65's & Vet.30 do seem to be improving and mellowing with age.