I have been having the exact same problem with my Root Terror's effects loop with a Mr. Black Eterna reverb and EQD Disaster Transport delay with various power supplies etc. I also own a Disaster Transport (among several other boutique pedals) and I've been doing some tinkering over the past couple...

Yeah - just done that - and sure it hums - pretty much what I'd expect - it's an ungrounded jack going straight into the power section, like having a cable in the instrument jack with no guitar hanging off the end of it. Yeah, not the most scientific experiment, but I was just curious. The plugs on...

Hi - no noise here at all in my OR15 loop (but I do only have a single Holy Grail Nano with supplied power supply in there). Would you mind doing me a favor? Could you plug a patch cable into the Return jack only (no effects and no plug in the Send jack) and see if it creates a hum? I forgot to men...

Hey everyone. I'm posting because I'm having a problem with my OR15's effects loop. I purchased it back in September but didn't really get a chance to play it much for a couple months. When I did, though, I noticed that running pedals in the loop produced a very loud hum—even when the effects were s...