CV Source & Active Attenuator

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/11221662-x-fade-modular-csa

http://txfade.ec-net.jp/modular/006csa.htm

• 12 mA +12V
• 6 mA -12V
• 0 mA 5V

This Module is currently available.