Moog Music Forum

Thanks for the informative reply. I did some more tests later last night and found that the ringing is definitely coming from the computer but is barely audible through other pedals, even through a moog mfdrive pedal with the input and output cranked. It's like the phatty is just picking up more noi...

I'm running audio from an output on my RME Fireface to the audio input of the slim phatty. When I open the filter I hear a constant ringing sound, like electrical interference of some kind, maybe from the computer. I have an assortment of pedals and effects units sitting right next to the slim phatt...