ADSR Envelope Generator

X-Fade Modular are all handmade manufacturers.
Basically it sells only in Japan.
In some countries you can purchase from the following LINK.
https://reverb.com/item/11036901-x-fade-modular-adsr-1

http://x-fade.oc.to/modular/001adsr1.htm

• ? mA +12V
• ? mA -12V
• ? mA 5V

This Module is currently available.