Behringer CRAVE Analog Synthesizer Analog Semi-Modular Synthesizer with 3340 VCO, Classic Ladder Filter, 32-Step Sequencer and 16-Voice Poly Chain, Compatible with PC and Mac : Amazon.co.uk: Musical Instruments & DJ
A-188-1 BBD module
Division 6 CEM3340 VCO - Eurorack Module on ModularGrid
VCO Ray | R.I.P. Bestia | UFC Records
Funnier TV Ad: VCO Biolink "Faith Healer" - YouTube
electro-music.com :: View topic - Single supply 4046 VCO with V/oct tracking