Artefacts can also profesionally modify your instrument and improve reliabilaty, sound quality, playabilty or interfacing.

* EMS Synthi A/VCS-3
   tuning stability and    improvements on interfacing
* Oberheim SEM patch out all
   in and outputs
* Installation of for example
   kenton or Encore midi kits
* Rack mount your instrument
* Add Din Sync or Midi sync to
   on drum computers
* Add CV and gate inputs on    synthesizers
* Etc.