Connecting A Power Amplifier - Onkyo TX-NR 838 Manual

Advanced Speaker Connection

Connecting a Power Amplifier

You can connect a power amplifier to the unit and use the unit as a pre-
amplifier in order to produce a large volume that cannot be output with the
unit only. Connect the speakers to the power amplifier. For details, refer to
the power amplifier's instruction manual.
Set the unconnected channels to "None" in "Speaker Configuration".
– After pressing RCV, press HOME on the remote controller. Select
"Setup" with the cursors and press ENTER. Then select "2.Speaker
Setup" - "Speaker Configuration" and set the unconnected channels to
"None".