Discrete Transistor Touch Controlled Voltage Source
Touch Controlled Voltage Source MODEL 112 MK2
https://youtu.be/sCYTolsD1Sk?si=ZMGJW2wQnsr_FbOy
https://tokyo-tape-music-center.com/product/touch-controlled-voltage-source-model-112-mk2/
This Module is currently available.
$520