Marantz NR1506 - Manual (Page 167)

o Center
Set the presence and size of the center speaker.
Large:
Use a large speaker that can adequately
play back very low bass frequencies.
Small
(Default):
Use a small speaker that has inadequate
playback capacity for very low bass
frequencies.
None:
Select when a center speaker is not
connected.
o Subwoofer
Set the presence of a subwoofer.
Yes
(Default):
Use a subwoofer.
No:
Select when a subwoofer is not
connected.
o Surround
Set the presence and size of the surround speakers.
Large:
Use a large speaker that can adequately
play back very low bass frequencies.
Small
(Default):
Use a small speaker that has inadequate
playback capacity for very low bass
frequencies.
None:
Select when the surround speakers are
not connected.
Contents Connections Playback Settings Tips Appendix
167
Front panel Display Rear panel Remote Index