the bass mid range got dameged on my evo 30 speakers took them to shop to be repaired went to pick up and new woofers look terrible so not happy they carnt get replacement like for like foud some whardale diamonds on ebay power handerlind,impendence and sensitivity are pritty much the same but frequency respone slightly different 60- 20000 hz instead of 50-20000 hz would this make much difference pulling hair out at the moment so any help would be great