TE 7750 function generator from zweitesystem on Vimeo.
"Toellner TE 7750 function generator"
Toellner TE 7750 function generator + Selectronic Elektor 2206 from zweitesystem on Vimeo.
"A glitchy Toellner TE 7750 function generator modulated by Selectronic Elektor 2206."