Realton 'Variophon Standard'
The Variophon  is a vintage Wind-Synthesizer (1980) of the German company Realton (not existent any more). It was manufactured in various variants. For more information please refer to Variophon.de.
At least the 'Variophon Standard' bears lethal electrical risks and must not be operated without modifications or safety precautions as described here.
Description under construction!
Video & soundfiles under construction!