I built an EP booster + Timmy with the effects order switcher from the layout above.
Here's what it looks like:
I used a 4PDT to switch between and the LED shows the side that's first in the chain.
JaviCAP, it's easy to wire it.
Send A is the input from the jack to the first circuit. That's lug 8 on the 3PDT
Return A is the output to the jack from the first circuit. That's lugs 4 and 9 on the 3PDT
Send B is the same but second circuit
Return B is the same but second circuit.
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