Paulo,
sorry, I had completely missed this post and your question.
I use the C14 on the G11 and I shoot at F/11
I will at times put the celestron focal reducer on it
I basically just screw it on the back of the OTA and put the focuser onto that then my STL 11000m
I am sure you wont be dissapointed with the G11.
It will handle the 9.25 very easily.
frank
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