Questions about carl Martin Ac tone and Plexi tone


Since these have the built in power supply with 2 prong ac chord, is there any noticeable ground loop hum when being used infront of amp?

I mean this is why isolated power supplys were created in the first place(Voodoo labs pedal power 2 etc). I know I got ground loop hum when using any othere dirt pedal with the typicall Boss style wall wart adapter.

So is it the same issue with the plexi tone and ac tone? I have heard it was with the Radial Tonebone pedals that have to be plugged in using their wall wart power supply.

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