Wtf that's bullshit. Where were those black drivers when I built mine?![]()
Buy new ones and sell the ones you have on eBay or similar.
Mine wasn’t stocked so they took 2-3 months to get produced and the shipped.
These guys seem to stock them for a reasonable price if you are in the EU:
XM004-04S L26RO4Y Subwoofer Chassis - LINKWITZ.store
LINKWITZ.store - XM004-04S L26RO4Y Subwoofer Chassis
linkwitz.store