eBay: prototype VOCODER of german 70s Electronic Pioneers (item 300001522431 end time Jul-05-06 11:17:07 PDT)
The mother of all transistorized vocoders, prototype of early 70´s custom built for german electronic duo of that period:
documented by back cover photo of KW's album "Ralf & Florian" and in some part in the artwork on inside sleeve.
The device was used for two studio productions, title "Ananas Symphonie" including synthetic vocals and rhythm track in conjunction with lapsteel guitar and rhythm machine , as well for "Kristallo" with rhythm machine and EMS-Synth.
Later used to sound the KW's intro for "Autobahn"