My way of avoiding recon is to listen to the sub while in movement, like when walking. It seems to work at least for me !
Another way is with custom. In each of my custom I have at least 2 cores and/or 5 modules in common. Meaning whatever custom I will listen, my subconscious will be always familiar with part of the subliminal narrative. It really diminishes but not suppress totally recon to an acceptable level