thats being over casious kai i think, i'm using the diodes having reverse voltage to say 5ks y how this will bi a problem, and two fat big caps are there to filter down. "unknown and starnge" post are acceptable as this is a forum not your classroom where you speak and we learn. anyway your post enriched my knowledge.
in future you will do the same by such posts but without others are also acceptable.

abhishek