I am bringing stereo line level signals direct from Korg Wavestate into Mas+... With the volume maxed out on the Wavestate, the signal is barely getting to -30db. I am assuming that this is an issue with Mas+ and/or Wavestate ... which makes me think that I should begin considering an audio interface / Mixer like Tascam Model 12 (reported on youTube to work with Mas+) that has higher quality preamps to boost the line level signals... am I on the right track here? Or should I be getting a good detectable signal in Mas+ without external pre-amps?