Back to the 70’s !
EMS created the VCS3 (also called ‘the putney’ ), then, based on the VCS3, the Synthi A and Synthi AKS. A portable synth in a suitcase ! A James Bond suitcase.
Some VST plugins (freeware) tried to recreate the original semi modular design of this synth, here’s the list :
1. Cynthia VST by NineCows
Cynthia is a free EMS VCS3 VST emulation. It was developed with Synthedit, so it’s for Windows (32 bit) hosts.
Don’t forget to read the manual it’s clear and instructive.
The Cynthia VST come with two dll files : it can also be used as effect, for processing your audio input.