Hi! I love Logic's amp/pedal guitar effects, however I am unable to use them to their potential as when i plug my guitar>presonus firestudio mobile>DAW, the guitar signal won't sustain past certain point. This is frustrating as I like ringing out and bending my notes to achieve a whiny guitar sound, however the signal cuts out prematurely. I have tried different guitars, I have run the guitar to a compressor, and still no luck. Could the preamps in my presonus firestudio mobile be wack? Should I try preamping the signal BEFORE the presonus firestudio? Here's a link to the interface I'm using http://www.sweetwater.com/store/detail/FireStuMobile/ Any help would be greatly appreciated! Thank!