synthv1: synthv1 (an old-school polyphonic synthesizer) synthv1: synthv1: synthv1 is an an old-school 4-oscillator subtractive polyphonic synthv1: synthesizer with stereo fx. It runs either as a standalone JACK synthv1: application or an LV2 instrument plugin. synthv1: synthv1: synthv1: synthv1: synthv1: synthv1: