After a long time away I have the itch again I finally wired my new passive pre amp up .
With a lot of family and my health issues I have not kept on top of keeping my set up dust free my biggest concern is my monoblock set up I need to get one of the fine feather dusters in there to remove the dust and cob webs I am worried if the feather duster could cause any static build up and can it damage my valves ?