audiogroove4 Active member Joined Aug 17, 2008 Messages 28 Reaction score 0 Sep 13, 2013 #1 What are the (general) tonal variations between the V- Twin rack, Formula, and Studio Preamps? I am only familiar with the Studio Pre.
What are the (general) tonal variations between the V- Twin rack, Formula, and Studio Preamps? I am only familiar with the Studio Pre.