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Analog summer

A simple box to sum two analog(ue) audio channels without external power— or any options whatsoever.

charlie-williamsCharlie Williams
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My Helpinstill piano pickup is amazing, but for live use its 3 outputs don't play entirely nicely with the standard stereo signal path available for my looper and delay.

Putting a simple resistor-based summing circuit into an enclosure, I made a standalone, passive, no-frills 2-in 1-out fully-analogue mixer.

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