I plan to replace mine Tannoy Fusion 2 with the Wharfedale 9.1.
Do you think I will lose something (in terms of audio quality, soundstage, fullness of sound)?

How big is the difference between 16 cm woofers and 13 cm woofers? And what I will lose having speakers a lot smaller (Wharfedale is a bit deeper but far less 'tall'.. 10 cm).

I plan to build a new system based on Onkyo 9355 and Wharfies 9.1, do you think it will sounds good?