I've used a BDDI through the FX send/return on my amp before and got great tube warmth. I found that I couldn't get any grit without having massive hiss from the gain setting. Could I add a Sansamp GT2 in tha chain (amp send > BDDI > GT2 > amp return) and add non-hissy grit to my sound? Would turning the GT2 on while the BDDI is on make the sound too thick or boost the volume too much? How could I make this work? Any ideas?