#87797  by schmidtz
 
It's my understanding that the Ibanez/Maxon AF-9 are a different circuit.

Also, sonically speaking, this is how I understand these pedals:

MuTron > Perhaps these clones > QTron+ (similar circuit) > Ibanez/Maxon > Bassballs and Nano > Haz MuTron

Perhaps I'm wrong.