Greetings! My GT-10B has an issue with the loop feature...specifically, if more than 2 or 3 layerss are added, anything played over the top causes the overall volume to drop off to nothing, especially with louder or more accentuated attacks. This has occurred with multiple amp combinations, after turning down the overall output volume, after turning down individual patch volumes, etcetcetc. Considering a TC electronics Ditto to do all of the looping. Thoughts? Experiences? Thanks and take care!