Service/mod of a rebranded? Wah Swell pedal.
The pedal on the workbench, branded Förstärkardoktorn.
Förstärkardoktorn(Amplifier doctor) was a Swedish store selling musical instruments back in the days. It even has the original price tag on it.
The wah circuit corresponds a lot with Colorsound Wah Swell circuit, at least for the wah part. As seen in this pic there’s a double gang cermet potentiometer, using the other side as a volume pot.
Solder side of the circuitboard.
Here’s the circuit modified. Removed the passive swell part and wired it for true bypass, added a trimpot for overall output volume and adjusted the tone of the wah.
