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Expression Pedal compatibility


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I have a question about expression pedals. I am finding a used Mission Engineering SP-1 pedal, will it work with my Line 6 HX effects? I am confused because I see they have Mission Engineering SP-1 L6H.

What's the difference between the two, if any?


And will SP-1 work regardless?

Thank you

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The difference is in the wiring.

Without soldering iron you can cut the green cable(s) inside and use a dual mono to stereo 1/4" cable.


With a soldering iron you can mod the SP1 to become a L6H in two minutes:

Desolder the cables coming from the switch from the output jack 2. Output jack 2 is not needed.

Desolder the green cable coming from the pot from the output jack 1 and solder the red cable from the switch there instead.

Solder the black cable coming from the switch alongside the black cable.

The output jack now looks like this:

  • the two black cables (from the pot and the switch) on the sleeve
  • the red pot cable on the tip
  • the red switch cable on the ring
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