KXOMNI-600-U3 :

It's a hybrid synthe, a little mix of a KORG 800DV, of a CASIO CZ, of a YAMAHA CS, of Synthedit, to make monophonic synthe sounds rich in harmonics.
The stereo structure of this plugin is its strong point, the musician has one brain but he has two ears…

Synthesis:
Each Layer (the plugin is stereo) is composed of two oscillators: a "Phase Distortion Oscillator" (Pdo) and an "Oscillator" (Osc), the oscillator signal is filtered by a "Multimode Filter", a "Distortion" and a "Feedback". All the modulations are controlled by an envelope generator, the velocity and the keyboard. Then the sound (4 oscillators+2 filters...) is filtered by a stereo VCF (undoubtedly one of the most complete vcf avaliable in freeware) and a VCA. All the modulations of the oscillators can be modulated by a double LFO.

Info:
http://kx77free.free.fr/Kxomni-english.html
Download:
http://kx77free.free.fr/data/KXomni600-U3.zip