I have a gym that has freeview. Here is the setup, aerial feed is split in 2 way to radio and tv, then fed into 4 way splitter to feed the 4 freeview boxes. The 4 freeview boxes are then fed by scart to 4 rf modulators and then output is back in 4 way splitter and then into 1 x 8way looped with 1x 6way to feed 9 analogue tvs on gym equipment. The signal is poor when splitter is used after rf modulators. if i plug each rf modulator 1 at time direct signal is good. I am planning of adding a variable active amplifier just before 1 x 8 way and 1 x6 way splitter to boost signal to 9 feeds ? also would you recommend to change 1 x 8way and 1 x 6way for 1 x12 way ? The 4 modulators are set up as follows 21,23,25,27 so the analogue machines can tune in regardless of channel setup on freeview box. Any advice appreciated sorry for long post.