Update:
actually it worked for a while, it just worked well with TF routed in mono H90 3d out > TF input etc…
I’ve tried to connect MF in H90 4th Out and changing the h90’s routing parameters after a while feedback start to roar 😅 and I have to disconnect the cables because the hissing or feedback doesn’t stop when I tried to move the h90 routing parameters.
It seems to work in this way:
h90 3d output > MF Input//MF out to TF In /// TF out to H90.
to me this kind of issue seems an overload or something else dunno 🤷♂️
