There are no Ensoniqs. Some of the later ones, like the KT, let you create "sounds" out of multiple patches. The GEM Ensemble Arranger Keyboard did have a heavyweight synth that let you define the envelopes with more than 4 stages, maybe 8 and pull patches up to make sounds and still split/layer and use samples with which to do that. The small 61 note machine cost 3100 USD new
You could possibly re-do the Farfisas into a single emulator like you did the Vox; with the Mini-compact, Combo Compact, Compact Deluxe, Compact Duo, Fast 2, 3, 4 and 5 and the Professional and Professional Duo, wiich was a Professional strapped onto a Fast 4 or 5