So I play acoustic guitar, which usually goes straight into my little PA (a little Allen and Heath desk and two Mackie SRM350 powered speakers).
The only pedals I use are a Korg Pitchblack tuner, and occasionally a Boss GE7 Eq pedal and a EBS compressor.
However I’ve noticed at a couple of gigs (mainly the ones where you’re running a lot off one socket/extension) that whenever I add my pedals into the chain there’s a massive buzz thru the PA.
I’ve swapped out each pedal, each guitar, two different power supplies and plugged them into to different extensions etc but still it happens. Even one single pedal and one single adaptor is enough to do it, so it’s not any individual pedal or the adaptor trying to draw too much power.
The only way around it has been to stick with just a tuner running off batteries, which is perfectly silent.
What am I missing here? Is this problem with venue wiring, nearby lighting, my leads (swapped them out too), my PA, or something else?
It’s doing my head in.