hi all, recently bought a armortec 700 copy ( hart matt tech 700). played w it for both singles/doubles and find it pretty good. very sharp smashes and easy to produce power for backhand. also accurate drops. however, i find that e racket vibrates much more that the Ti10 when hitting. just wanna ask---does the original armortec700(yonex) also produce quite a bit of vibration? thinking of getting it if it is less( as in comparable to Ti10) also, i realised that certain times i hit there is no vibration at all. is the sweet spot of the armortec very much smaller? thanks (i strung the rackets at 26lb on a pacific machine)