Available as an assembled Module and as a DIY project.
This Module is currently available.
Multi Function Utility
4hp, 25mm Deep
2x Signal Inverters: Each one input and its Inverted output.
1x 3:1 Summing Mixer. 3 Input 1 Output DC coupled mixer for combining CV sources. Trim pot on back to calibrate accurate 1V/Oct Tracking.
1x Passive Switch. 2 Input ON-OFF-ON Switch with a single output shared on 2 jacks. Can be used in reverse, but will not sum inputs.
https://www.groundgrowncircuits.com/
https://github.com/GroundGrown
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