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POD Go is fully compatible with the Line 6 EX-1 and Mission Engineering's EP1-L6 external expression pedals. Other pedals may work with POD Go, although they may not be fully compatible or tested, such as the Dunlop DVP1XL. In some cases, the pedals internal dip switches may need to be adjusted to ensure proper polarity. If you experience trouble with inaccurate expression pedal swing, try adjusting any internal or external dip switches the pedal may have. Also note that any expression pedals that appear to work backwards can be set to work properly by setting Global Settings > Switches/Pedals > EXP 2 Polarity to “Inverted.”
About 2 weeks ago, I contacted L6 about an issue in Pod Farm 2. When using a dual channel preset with an identical amp, and selecting two different speaker cabinets, there are some phase issues with the cabinet sims. Some combinations are almost 180 degrees out of phase in fact. After talking to L6 about it, they thanked me for the info, but stated they wouldn't be updating Pod Farm 2 with anything to adjust this. As a result, you must record your dual tone as two tracks and use a phase correction plugin to rotate the phase for coherency in some cases, unless the phased sound is what you're going for. In Pod Farm 2 the Digital Delay only goes down to 20 ms, and the channel delay option in the mixer only affects the DI signal, not the signal with effects. So it has to be compensated for externally. An example of this is a patch with an Angel P-Ball (the amp shouldn't matter) with the 4x12 Line 6 cabinet and the 2x12 Class A-30 cabinet, both using a 57 On Axis. Pan them hard left and right. Record a stereo track, then look at the waveform and see that one is pretty much inverted in polarity vs the other. Summing them to mono leaves a very thin and comb filtered sound. A phase rotation plugin can bring back the bass properly. I just purchased a Pod HD500X, and am curious if the same issue applies here... Is there a way to compensate for this in the Pod? Thoughts?