/challenges-projects/project14/electromagnetism/b/blog/posts/an-attempt-at-building-a-diy-spring-reverb-tank-using-electromagentismwww.youtube.com/watch Originally Posted by aptbartmess I love the sound of the old mechanical spring reverbs found in Hammond organs and Fender amps. I've been wanting to make my own and when this month's science contest was announced I decid...en-USTelligent Community 12