Yusynth based 4 channel cv/audio mixer

4- channel cv/audio mixer, original scheme has 3 inputs, this one is.modified to 4. Input, output, inverted output, signal indicator. Lasercut wooden panel

• 12 mA +12V
• 8 mA -12V
• ? mA 5V

Module is available as a DIY project only.

No info about availability.