I just grabbed a Boss DS-1 to put in front of my 2 channel Dual Rec. After also retubing the amp (Tungsol in V1, and new Mesa 12ax7 in V2-V5, Tungsol 6L6s, and JJ Rectifier tubes), the amp has tightened up considerably, even without a boost. But the DS-1 pushes it up to a different level.
I...