All the inputs are the same except phono nad possibly tape.
Aux is a good choice.
Streaming Music To An Old Receiver
I have a question about how to hook up a NAD C658 to an Akai AA-R30 receiver.
I’m using the NAD to stream music in my garage. Connection is single ended RCA’s. Does it matter what input I use on the Akai?
I have it hooked to Aux input now.
The Akai manual states the Aux input connection is for relatively high output components such as a ceramic or crystal type cartridge turntable or a tape deck or recorder.
Would it be better to use a Tape1 or Tape2 input with a connection to the play inputs?