A TOTALLY nutty suggestion::
Can you 'just' rebuild 'em? New crossovers can be made as duplicates of the originals with easily obtained parts at many levels of cost. Even odd-value inductors can be fabricated.
B&O may be able to help with drivers or some measurements, like TS data.
Can you 'just' rebuild 'em? New crossovers can be made as duplicates of the originals with easily obtained parts at many levels of cost. Even odd-value inductors can be fabricated.
B&O may be able to help with drivers or some measurements, like TS data.