dhawalmehta91

my amp makes this constant cracking/buzzing noise when I connect my amps line IN to helix LT's left mono 1/4'' line OUT. I don't have to switch on the helix, simply plugging into the power socket creates this noise. It doesn't happen when I use my podhd 500. Also, I realized this doesn't happen when I connect helix and the amp in the same surge protector box. I might not have the option to use the same power strip for amp and helix. please help Dhawal