Hi, i’ve printed a Big Muff schematic, and i’ve revised all wires and modding solder points… and nothing. I think that all the wires go where they must go, and it doesn’t seem to be cold soldering points, so back to the beginning i don’t know why my Big Muff don’t work.

The battery clip doesn’t seem to be the problem, the LED lights when the pedal is engaged and the device sound with a little little volume.

The sustain pot work, but the signal which receive is very very low, but volume pot only works something when it’s in its maximum point, when you lower it, it start some mass noise.

Some new ideas?