this new build has 2 x 258 VCO's ,TZERO VCO from Electronotes ,Serge VCS ,2 x LFO's , MFOS VCA x 2, ARP VCF , Analog Neuron ,Mixer , Roland 100M ADSR  ,Portamento

modular

pix.

слика   s

Гнездо 

testing a Through-Zero VCO  by Bernie Hutchins ,light modulations .. and going into a  Yusynth version of Arp VCF 

Audio and voice recording >>

http://www.ciat-lonbarde.net/

Few patches on the modular synthesizer ,these contain 2 VCO's ,some patches only one ,parts of buchla SOU ,one VCS ,SEM and Polivoks VCF .

https://archive.org/details/Synthacks-Vlad-Scetchbook

Drum Oscillators - Onda Quadra 1979_01

 

 Berry Klein - Electronic Muisc Circuits

 

 

 

Tektronix CFG250 Function Generator 

Tektronix FG503 Function Generator

Polyphony Magazine - Random Tone Generator ; Freq. Divider .
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 VCF - D.Avramov ; V Veleva

Nueva generacion instrumentos electronicos - Juan Bermudez

 

 

 

Emu UAF ( Universal Active Filter )