HELP - my speaker just turned into a radio


I just got my new EAD TM8000 today and hooked it up to my Classe CA300 amp driving Innersound ISIS speakers. There's more to the setup, but this seems to be the only relevant part.
EAD has balanced outputs to front speakers, so they give you a balanced - RCA plug to put in there.

First try

hook it up and turn on the amp first - the left front ISIS is humming slightly, nothing too bad.
turn on the EAD and the left speaker is now a radio

turn off the EAD. 15 seconds go by and it clicks and then the radio is gone, but the humming remains.
turn off the amp and switch the cables at the converter plugs from left to right to see if it changes speakers.
turn on the amp, the right speaker hums
turn on the EAD and now the right speaker is a radio

turn it all off
and now I switch the IC's on the amp end from left to right
turn on the amp, the LEFT speaker hums
turn on the EAD, the LEFT speaker is a radio

turn it all off

pull the IC and cable for the left speaker and route them to the ADCOM I have driving the center channel

turn it all back on

no problem

what the heck is going on?
angela100
Here's the whole troubleshooting picture a little more organized
I need some help troubleshooting my new set up.



Classe CA300 – driving front speakers
ADCOM GFA750 driving the center and surrounds
EAD TM8000 – new gear
Sony DVP 9000ES DVD/CD player
Innersound ISIS front speakers






I got the new EAD and connected it up just as it states, very simple. The outputs go to two amps and one digital cable between the EAD and the Sony.



It has balanced outputs for the front speakers, so they give you balanced/RCA adaptors to plug into the EAD first, and then plug the RCA IC’s into them.



I connect the IC’s and digital cable.





I turn on the amp and the left ISIS is humming slightly. I turn on the EAD and the left ISIS is a radio and what’s worse it is picking up this real asshole talk radio guy whose program and attitude I just detest L



I turn off the EAD, 15 seconds and it clicks, the radio goes away and the speaker just hums. I turn off the Classe and the humming stops (duh)



I switch the IC’s at the adaptors to see if it follows the cable and switches speaker.



I turn on the Classe and the right ISIS is humming. I turn on the EAD and the right ISIS is now a radio – same station (rats).



I turn off the EAD, 15 seconds and it clicks, the radio goes away and the speaker just hums. I turn off the Classe and the humming stops (duh)



I switch the cables at the Classe end and it moves back to the left speaker.



I switch the adaptor plugs, no change.



I change the IC out and try a new one, no change.



I move the left channel (IC and speaker cable) from the Classe over the ADCOM and the problem went away.



There seems to be something about the EAD left channel and the Classe left channel that are causing the speaker to be a radio.



The Classe is behind the speakers and the ADCOM and EAD are to the right in a rack.



Now what?



Sitting here scratchin’ her head -

I've been having this problem for a while.
It got worse a few weeks ago, here's a post on why this may have been (very interesting stuff):

http://www.audioasylum.com/audio/general/messages/210722.html
Post removed