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A project log for Relay as a magnetic guitar pickup

Hexaphonic guitar puckup built from 6 unmodified relays and amplifiers

kauzKauz 11/09/2025 at 19:390 Comments

I've recorded 3 demo snippets, showing what is possible with such a pickup. On all three the 2 bass strings are connected to some monophonic octave down effect (or two octaves down), while 4 treble strings are run through a different effect. In the first two snippets it is different overdrive simulations, and on the last one - also a monophonic synth, which allowed basically playing 2 notes on 2 synths simultaneously with just one guitar.

I've updated the building instructions and now all that's left is upload KiCad files and 3d models for printing, and the project is done and ready for submitting!

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