8x8 Matrix Switch Mixer
https://www.herzlichlabs.com/products/discrete-isoline-summation-matrix-28hp-compact-8x8-matrix-mixer-for-cv-and-audio-with-latching-switches-and-led-indicactors?_pos=1&_psq=8x8&_ss=e&_v=1.0
This Module is currently available.
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