Genesis 500 Speakers

Can anyone tell me where the crossover is located in the 500s?  (I assume it's in the same place in he 501s).
I love the speakers but it appears that one of he crossovers has failed.  I know - they are old !
Many thanks,                        tim --
F65cb617 4d1d 4dd9 b8b2 3a242ff4f54aampicoj