Sorry for the late response. Okay here we go.Wet / Dry Mix Mod
The Fab Echo does not have true bypass but instead switches the delay signal in and out and leaves the clean buffered signal always connected. To disable the clean signal from always passing cut the trace between the jumper connection and the SMD resistor:Note:
An easy way to cut the trace is with a sharp knife. You can test to make sure the trace is cut by measuring with your meter.
To get the clean signal connect a wire to the jumper connection on the board. This is a good place for example:
To get the wet signal wire a connection to the wet side of the mix pot on effect board:Note:
Do not forget to turn down the pot attached to the board otherwise it will interfere with the mod.
Connect the clean signal to one end of a 100K linear pot. Connect the wet signal to the other end. Connect the wipe of the pot through a 1uF capacitor and a 33K resistor.
Go ASCII graphics:
P 1uF 33K
Connect the wiper to the orange capacitor at this spot on the board:
You now have a 100% wet / dry mix pot. If you want you can decrease the 33K for more output then put a volume pot on the final output of the effect as a level control.
Since the clean signal is disable the bypass function will not work anymore. If you want to force the pedal into effect mode all the time then perform this mod.Always On Mod
Cut the trace at this point:
Connect a wire from the switch's board connection to the resistor:
The pedal will now always be on. You can install a true bypass switch.