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El Dinosaurio

El Dinosaurio is the nickname of an analog patch chord programmable voltage controlled synthesizer that I designed and built from scratch in the late 70's and early 80's (in Buenos Aires, Argentina). This is the second synthesizer I built, it took me about 1 1/2 years to finish and I was done sometime in 1981 (the first one was a clone of the ARP Oddysey). I did the electronic and mechanical design, hand etched all the PCBs, cut the face plates, and assembled the whole monster. This is the front panel:

Modules (top rack, from left to right):

Modules (bottom rack, from left to right):

  • 5 channel analog mixer (noise, RM, VCO1, VCO2, VCO2)
  • LFO
  • ADSR envelope generator

And this is a complete view:

I don't normally use my old keyboard controller, I just drive it from a MIDI controller and/or my computer.

It was never meant to leave my room back in Buenos Aires, but now it has been to Germany twice for concerts and (barely) survived the trips.