Marantz NR1606 - Manual (Page 39)

n 7.1-channel (surround back)
This 7.1-channel surround system is the same as a basic 5.1-channel system but with surround back speakers.
.
FL
SW C
SL
FR
SR
SBR SBL
.
C SR SL SW FL FR SBR SBL
0 When using a single surround back speaker, connect it to the SURROUND BACK
L terminal.
Contents Connections Playback Settings Tips Appendix
39
Front panel Display Rear panel Remote Index