Isolation transformer/combatting noise?

[gybe!]

My current man cave has….too much going on. Multiple computers, e drums, a full motion simulator for sim racing including a step up converter (platform comes from the eu, so 220v), etc….needless to say, not doing myself any favors. On top of that, I am pretty sure the circuits in this part of the house are relatively “dirty” even if I were to take that all away. So, double great. But wait, there’s more!
On top of this I have compounded the situation by setting up an Axe Fx 3 in a 4CM with multiple high gain heads and at least one guitar that I’ll have to rip all the electronics out of to resolder everything due to pretty clear EMI.

As you might imagine, I am prone to noise…some straight EMI/rf style interference, some ground loop related, all can be ignored for playing but are deal breakers for recording. Most of the associated crap mentioned above (sim rig, etc) has been switched off with minimal impact to my noise floor. Short of having the fundamental circuits redone, I am looking at some of the isolation transformers (2000w isolation transformers on Amazon) or various “humbuster/hum eliminator” solutions. I know I’m not the only one to experience this so thought I’d see what others have done. Not afraid to spend money to resolve it, but I would prefer to not have to have no circuits run (basement, furthest point from the main panel)

 

[glpg80]

The correct answer is to first start with a power conditioner. Try that first to remove unwanted noise from the supply. If that doesn’t work then you start to resolve ground loops in your setup by stripping everything away and connecting it back together one at a time until the noise returns to figure out what needs resolved next.

 

[Dave L]

I think you´ll have a real hard time unless you hit the issue a bit more methodically. You need to start with the simplest possible chain and add the complexity piece by piece to see where issues turn up, that´s the only way to find what´s really going on and pinpoint solutions. There really aren´t any broad fixes.

 

[GuitarBilly]

Start by lifting the ground on cable "3" of your 4CM (the one going from the amp's fx send to your FM3 fx return). Keep the other 3 cables stock/grounded. That should clear the ground loop, which is probably the bulk of your issues.

 

[Ben Waylin]

Change out your amp's power entry module for one of these here (Thanks Larry !)

 

[JackBootedThug]

You can stick 2 prong converters on your 3 prong cords to see if that does anything. I bought a cheap Pyle hum eliminator off Amazon and it solved my problem. Stuff can drive you crazy…