Here is the setup from a Czech guy - the Supraphone single from 1972 be my proof ;) Talked a bit to him: He's building modular stuff, but when he plays live (under the name "Colloid", he feeds the vinyl sound into his modular and plays with it)
https://s.basspistol.org/files/1d951fb9-7f35-473f-b501-3e3a3269a1c6
