compatible driver question

hi everybody

I would like to build a pair of 18sound kit8 tops
www.eighteensound.com/Portals/0/Enclosur...8sound_8%202ways.pdf

Do you think I could use this driver
www.eighteensound.it/PRODUCTS/Products/ProdID=68#.VXl_fvlViko
instead of the original driver ,without changing the crossover ?

This is original driver
www.eighteensound.it/PRODUCTS/Products/ProdID=114#.VXl-wflViko

thanks for your help