Loud sound (like oscillation) when pedals on (sound attached)

Robertt8

New member
Hey guys!

Can anyone help explain what's happening here?

(Listen to attachment, assuming it works.)

I have 6 pedals on a board, I think maybe 4 or 5 are on for my example, then you can hear as I start clicking them off... the annoying oscillation goes down in volume.

Any clue what's going on here or what's causing it?

Thanks!


I attached, but here's the raw webpage:
 

Attachments

  • amp_noise.mp3
    444.6 KB · Views: 6
Not a Scooby what that is, seems to be some sort of feedback loop and is centred on A440Hz but I can offer no further insights other than take a systematic procedure to isolating the cause.

Dave.
 
Yeah, that sounds like a feedback loop.

What pedals do you have? Delays can do that pretty easily.
If you've got a guitar and amp plugged in, anything high gain can cause it. Does unplugging the guitar fix it?
 
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