I have made some fine presets on my Pod Go with a lot of nice reverb and delay, and I have been playing around with the FX loop. But every time I enable the mono FX loop, the sound gets noticably worse. Like the sound gets much less vibrant, and a bit lower. At first I thought that it was one of the pedals in my loop, but then i tried to bypass the pedals by simply running a patch cable from send to return. Same result. Any ideas? I’m running the FX loop as the last item in my Pod Go chain.