the 404 and the 448 agc will both help with midband one is a smiley and one isn't. But on the le's you sometimes can't use them due to low inputs. There are 2 diddles just above the thermal that will usually help. Sorry I can't help more but it has been a while since I played with those.
This is CABL.com posting #183192. Tiny Link: cabl.co/mVOS