preset ["thru"] (-1,-1,false) (0,0) "A dummy synth unit which simply passes on the stereo input signal to the effects chain. You can use this to test your effect units on an arbitrary audio signal.\n\nCONTROLS: The volume and stereo balance of the input signal can be adjusted with the vol and bal controls." [[("thru/bal",0.5),("thru/vol",1.0)]] []