Just included this patch as I like the sound of it! The DC blocker is from the Reakto 6.3+ Euro Rackt set of blocks and can be omitted. It’s there to make the output leves look sane.

Variophon 2 includes mod wheel formant modulation for a thicker sound and is velocity sensitive. Variophon 1 is the simpler stripped down version. Both are included in the zip file.

This patch uses the The Infinite Phi Collection (Sandy Small)
https://www.native-instruments.com/en/reaktor-community/reaktor-user-library/entry/show/9149/

The download zip files include both the rack (.nksr) and ensemble (.ens).

Reaktor version used: 6.5.0

My Reaktor paths:
Documents Native Instruments/Reaktor 6/Blocks/Infinite Phi
Documents Native Instruments/Reaktor 6/Blocks/Petras/Racks