subwoofer crossover passive and active

[yikchean]

hi...
now i hv done my subwoofer amp...now i'm searching for the sub crossover....hope u all can help me....the low-pass filter is between 20-100Hz...thanks

 

[AndrewT]

Hi,
go to www.diyhifi.org
Look up sponsored threads and see one of Greg's filter/buffer/crossover etc.

 

[yikchean]

thanks you every much...

 

[davidlzimmer]

I just built this (submitted by another member) for a sub amp for my son. It works surprisingly well.