Formant Classic size 2.87 MB The Formant Classic Freeware softsynth is a tribute to the legendary Elektor Formant DIY (Do It Your self) synthesizer of 1977/78. Replica+ of the Legendary Elektor Formant Semi Modular Subtracktive Synthesis concept 3xVCO, 2xVCF, 2xADSR, ...