@edsnipered - you have not confirmed the exact model of the receiver you are using. If you are using the Sony STR-DN1040, then there is only one way to connect it to the McCormack amp. You have to use the Zone 2 outputs on the back of the receiver. Use a standard RCA cable to connect the Zone 2 output to the McCormack inputs. You then have to use Zone 2 controls on the remote to select the input source (cd / dvd / etc). This will work for stereo signals. However, you will have a problem if you try to use this with the main center/surround speaker outputs on home theater programs because I suspect the entire audio may be mixed down to 2-channel audio on the Zone 2 outputs.
Read pages 88-89 of the Sony manual.
Without an exact model number of the Sony, all answers are just speculation. Assuming it is the STR-DN1040, then your options are practically non-existent. Sorry auxinput, I must disagree with your solution to use Zone 2. If you look closely at the manual, it states, "Adjust to a suitable volume using the receiver in zone 2." Since it says to use the component in Zone 2 for volume, obviously the Zone 2 is a fixed output. Doing this with the DNA1 is not advised and will likely cause damage. I agree with Matt to find a suitable preamp. There is a way to connect, however this will not do justice to the abilities of the DNA1 and should only be a temporary solution. You will need to use one of these adapters,
Yes, tis49's suggestion will work, connect the Sony receiver front speakers outputs to a Speaker-level to Line-level Adapter then go to the DNA1 inputs.
The DNA1 can provide much better power to the speakers than the Sony! Same concept of Musical Fidelity 550k/750k supercharger.
Not aa fan of the Carver. Too busy. Each needless feature is another potential source of trouble.
What about this listing on A'Gon?
If you want to focused on two-channel audiophile quality sound and want some floorstanding speakers to pair with your DNA1, my suggestion is Thiel 1.2/1.5/1.6 or even the 1.7, you also can search the system page to see what other members choice of speakers for the DNA1 or ask a question on speakers section in this forum for recommendation.