Bob Sellon's- Electro Harmonix 16 Second Delay page

Over the years I've repaired a number of these wonderful little delay units.Though I no longer service them, I do have a lot of experience with them and some documentation. I'll add to this area as I think of things I've left out.


ElectroHarmonix 16 Second Delay Drawings

(be warned, they are rough):
- Analog Circuitry
- Digital Circuitry
- Redrawn Timing Circuit
- Redrawn Footpedal Interface Circuit
- Redrawn Coarse Delay Circuit
- Analog Board Layout
- Digital Board Layout

Send questions to "Ask Bob". 


Copyright 2008 Robert J. Sellon   www.BobSellon.com