https://forum.pedalpcb.com/threads/teaser-ive-got-a-circulator-mod-in-the-works.4649/#post-39094
Chuck D. Bones Circuit Wizard Nov 22, 2020 #1 https://forum.pedalpcb.com/threads/teaser-ive-got-a-circulator-mod-in-the-works.4649/#post-39094