SPC Plugins ArcSyn v1.3 Win WiN and OSX | WiN 5.19 MB | OSX 5.55 MB ArcSyn is a 16-voice polyphonic virtual analogue synthesizer plug-in with many unusual features: No samples—all oscillator waveforms are generated from scratch. Many unique waveforms including Sub-harmonics, Bit-Noise and FM Crossfade. Unique LFOs feature wave sequencing and hundreds of unusual waveforms including many random types.