Ok here is what happened... I was reading a post here about SPAX7 pre amp tubes and I decide to add more SPAX7's to my already SPAX7 heavy pre amp tube cocktail. So the list is Spax7 V1, penta lab V2, Spax 7 V3, Spax 7 V4 and Spax 7 V5.... I then replace my Mesa output tubes and rectifier tubes...