Well....I'm not sure. When I had the issue of the USBPre2 dropping signal for a brief instant, I sometimes got a sort of ripple that went through ever track, but yet it did not happen every time. It could be the unlock/lock of the digi signal that caused it. And these dropouts were so quick that even when watching the deck it never showed a DIN unlock screen, only a DIN lock screen. I can't say that I have ever tried killing the digi signal during recording in order to see if there was a seamless transition. And fwiw I have narrowed down that particular problem to the preamps power side of the equation.