I did a pair a while ago...used these...

Zaph|Audio

It's 4 Ohm...so a series non inductive resistance is needed..

Vifa BC25SC06-04 1" Textile Dome Tweeter 264-1028

1

Dayton DNR-3.7 3.7 Ohm 10W Precision Audio Grade Resistor 004-3.7

I would trash the original xovers and build new. I used the stock 3 khz