Perfect Circuit shared this set of videos, offering a hands-on demo of the rare Technos Acxel Additive Resynthesizer
The Acxel is a vintage additive synthesizer, designed by Québécois company Technos in the late 1980s. The Acxel uses an array of over 2000 LED-embedded touch plates to allow users to visualize and control various aspects of a sound, and is capable of synthesizing sounds from scratch or resynthesizing recorded sounds from the ground up—an incredible feat for its time.
Technos Acxel Presets:
This particular unit is available for $19k at Perfect Circuit.