NEUTRIK Audiograph 3300 System Collectors item? With valuable spare modules and 2 x Neutrik microphones Original Neutrik (technical) owners manuals for all 3 module types 1 x Mainframe 33022 x Output module 33222 x Input module 33122 x Microphone 3382 (made in Switzerland)with original cases Nice clean condition All modules seem to be alive and working - including microphones - but not tested thoroughly - hence selling as seen for spares. Plotter needs a fast fwd button and maybe adapting to use modern felt-tip pen?