At my local music store there is a used warwick standard corvette fretless for only 450$. The previous owner decided for some reason to replace the tuners?? The bass sounds great and it will be my first fretless. But i just have 1 question.. Could the change of tuners have done some irreperable damage (to the tone) that i am unaware of? Im so scared of buying this thing once and for all and it not be able to be restored completely.. Advise please!!!