[Quiet Earth]

On a side-note, I'm currently picking up a sports talk radio station right now through the amp. . .   Happens every once in awhile. 

Ahhhh................. OK, that problem then. It sounds like it could be your guitar amp, your guitar, or both. I use a little Ampeg BA112 practice amp at home. I can turn it on with no bass cable plugged in and the volume control all the way down and I hear an FM Station. I think it's because the amplifier is unshielded. I know the bass is unshielded. But I can put a shorting plug on the input jack of the amp, turn the volume all the way down and I still hear the FM station, so I'm pretty sure it's the unshielded amp speaker combination. I probably need to open it up and put a RF tuned zobel network on the speaker.

Anyway, maybe you have a similar situation. Unshielded pro audio gear  . If you have easy access to the speaker you can try a zobel network on it for pretty cheap.

[pjchappy]

On a side-note, I'm currently picking up a sports talk radio station right now through the amp. . .   Happens every once in awhile. 

Ahhhh................. OK, that problem then. It sounds like it could be your guitar amp, your guitar, or both. I use a little Ampeg BA112 practice amp at home. I can turn it on with no bass cable plugged in and the volume control all the way down and I hear an FM Station. I think it's because the amplifier is unshielded. I know the bass is unshielded. But I can put a shorting plug on the input jack of the amp, turn the volume all the way down and I still hear the FM station, so I'm pretty sure it's the unshielded amp speaker combination. I probably need to open it up and put a RF tuned zobel network on the speaker.

Anyway, maybe you have a similar situation. Unshielded pro audio gear  . If you have easy access to the speaker you can try a zobel network on it for pretty cheap.

That problem seems to be from the cables/pedals/guitar.  If I use my noise reducer (2nd to last in the pedal chain), it goes away.  Also, if I move my pedal board to a different angle, it also goes away. 

[benie]

 If your hearing any type of Radio noise (FM Station) or what have you, you are getting RFI and that can be taken care of with filters. Do a search in tweaks on A/A for RFI and you will find that can be taken care very easily.

 As far as the pops and what have you, that is voltage spikes. A dedicated line may help this, also using a big isolation transformer can help. But the isolation transformer has to be big or it can kill some Dynamics.
 I would think 1.5 KV would be a good size or bigger, they can be found on ebay at decent prices. Shipping can cost, as they can get heavy.

[pjchappy]

Haven't gotten to this yet. . .but I have discovered the problem is not just through my pedal board and amp.  I can pick up the signals through my microphone preamp / XLR cable and through my bass guitar, while hooked up to a single pedal and then into my PC.  Have tried this on 2 different outlets from the ones my pedal board and amp are plugged into. . .but I have no clue if they are on the same circuit (they probably are).

Why would I get so much RFI?  I can't try my setup in another room right now.  I think I'm in some weird Bermuda Triangle of RFI.     I am nowhere near a radio station.

Edit:  If it makes any difference, the XLR cables are "highly regarded" Nogami Gold. . .and the pedal board and guitar cables are by DiMarzio.