OK, all clear! Was just thinking – bnousr just wants to push BeoGram 6500 audio onto NL, for the main ML system to use it. Couldn’t the speakers stay connected to the BM6500?
I agree that with your solution (an ML amp connected to the main ML chain driving the CXs and the Cona) allows listening to all sources (no need for the 3500 anymore).
Regards, groet, Johan