Well, I wrote the "Ronsound" guy and asked if he would fix an EH 16-sec Delay and this is what he said: << Sorry, I do not work on these items. Your best bet would be to contact Christian Landry at cjlandry@compassnet.com. He has more experience with these particular items. Ron Neely II The EH Man Electro-Harmonix info at: http://surf.to/electroharmonix fx schematics and repairs ICQ: 6533511 >>