KX77FREE has released Kx-Polym-CSE, a freeware virtual analogue modular synthesizer in VSTi plugin format for Windows. Vintage modular polyphonic synthesizer with CV/GATE sequencer and CS70M emulation. Kx-Polym-CSE is available for free download via KX77FREE, The plugin is an emulation of the CS-70m analogue synthesizer by Yamaha. It’s a powerful 6 voice polyphonic synthesizer from the 80s. Kx-Polym-CSE comes with 72 factory presets, and a set of tutorial videos to get you going.