https://emusic-diy.org/ 2026-04-18T08:20:45+00:00 https://emusic-diy.org/ https://emusic-diy.org/_media/wiki:dokuwiki.svg text/html 2024-07-28T22:05:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://emusic-diy.org/schematics:effects:jhfreqshift?rev=1722204348&do=diff Juergen Haible's FS-1 Frequency Shifter I have posted some bits about this project to DIY every now and then, and I have discussed some aspects of the circuits with several people privately. It is still not built into an enclosure, and it still lacks interfacing such as a mic preamp, but the core is finished, and it works to my full content.