Which Effectron? There were a few different ones. Are you planning on building one? If so, I must ask why. They sell used for very cheap on ebay and places like that.
The Effectron II ADM 1024.. but I think they're all very similar.
I am trying to nurse an old one back to health... and hey.... I think it's pretty interesting the way they did this. Let's just say I am on the hunt for knowledge...