Original poster: "BRIAN FOLEY" <ka1bbg@xxxxxxxxxxx> Hi, this is all very exciting!!!!!!!! i wunder if using one of a bit lower voltage for the first sidacin the string if that would speed up the triggering? sort of like pre biasing a transistor is what i am thinking? i am not up to speed on these new sidacs but they sure look like something worth playing with. cul brian f.