Squeezebox WiFi noise...

I have discovered an interesting little bug in my system and wondered if some of my audio comrades have experienced anything similar. I have a Squeezebox Duet in my system along with an Audible Illusions Modulus 3 preamp. What I have found, through a process of elimination and some old fashioned troubleshooting, is that the AI is very sensitive to EMI/RFI and the Squeezebox WiFi receiver/transmitter system puts out a certain amount of EMI/RFI interference that the AI picks up. It can be heard (especially when the pre is set to phono) as a “fluttering” type of noise. Very quiet and deep in the noise floor but definitely there.

I have been able to eliminate the problem with careful positioning of the Squeezebox controller away from my rack and sitting next to a power amp which appears to be affording some shielding. I’ve also experimented with shielding the Squeezebox with foil and getting similar results. Checked with Logitech to see if the WiFi section of the Squeezebox can be shut off somehow (I hardwire mine via CAT5, so it’s not a problem to shut it off), and they have explained that neither the Duet nor the new Touch allow this in any way, it’s always on.

Has anyone else experienced this issue? Any good solutions other than positioning that may work? Or am I just the lucky one….