I have recently acquired a pair of JBL L300 speaker boxes stripped of everything and am restoring the boxes at a shop as we speak. I will be needing everything the speaker came with as the owner has sold everything. so the exterior will shine, and as parts are needed i have a few questions. can i find a upgraded crossover for this monster? can i find the glass tops for it?
the drivers are for sale on eBay currently and im watching a few items now. The grills seem hard to find. so to summarize i am able to get the drivers but cannot find glass, upgraded crossovers and front grills. if anyone has idea's that might help me in my quest please reply.

cheers!