Jbl l300 design new crossover based on transformer

[avico78]

I read here some guys that planned thier crossover based on transformer and I'd like to know if Such configuration is good for the l300.

Many people saying the the weak chain in L300's is the crossover.
As understand at the time L300 came out the marker , The heavy SS amp like Mcintosh 250W was very "IN".
So JBL design the crossover as "fuse" so it will protect the very effiecient drivers .
but ths "choking" the sound and make the speaker less detailed.

If possible , can some 1 please check the schema and advice if designing new crossover for L300 basing transofmers will do good with them?
Case yes, please recommened on good transformer.