lumley monitors

xtro

iv brought a pair of lumley lampros 100 ab monitors ther have a titanium dome tweeter rather than folded metal type can’t find any info on them one of the antenuators which goes from zero to -32db on dial how do I find one to match
also I’m using Tellurium ultra blue cable 
was going to rewire with tellurium blue would this still sound better than original internal cable