
Pictured is a Wave 2.3 mod
"This modification has been done by DI Helmut Fischbach (who built a lot of stuff for Kraftwerk) for Manfred Hermann und Jon Kaiser from Berlin. For that, the whole Wave was "sliced" and put into a rack case."
Mods include:
Wave 2 Rack
Wave 2.3 with velocity-sensitive keyboard
Wave 2.3 Rack (pictured)