Is this the final schematic?chicago_mike wrote:The official schematic was published earlier.
It was from Ampeg themselves. In the DIY layout there is a missing connection from the CD4013.
I would trace your signal before the 4103..the gain structure feeding it, just to see of those opamps are working correctly.
For Octave pedals...its a simple circuit.
https://www.freestompboxes.org/download/file.php?id=7634
Where can I find the schematic from Ampeg?