Echoplex EP-3 Troubleshooting no audio

[Unclebuncle]

Hoping I can find some help and guidance as this is the first echoplex that I’ve taken apart and decided to work on. There are two main concerns of...

[clarisso11]

Hi everyone,

many months ago, I purchased an old Echoplex EP-3, in very bad condition. I took it apart and de-rusted/cleaned everything, exchanged...

[metallicafan]

i just found the schematic on this a few days ago so i'm hopefully going to get around to replacing the caps and resistors soon i was just wondering what...

[adam32790]

I recently obtained a Maestro Echoplex from my Uncle. I am having a problem with it. The machine isn't echoing my guitar when I play. However, it does play...