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Configuring the RSX118S Subwoofer
Before you start plugging in cables, you should take a minute to decide how you want to inter-
face your new RSX118S subwoofer. Most system set-ups fall into one of two categories: Monoor
Stereo sub operation.
In most cases, a common (mono) sub bass setup
is preferable. Low frequencies produced by a sub-
woofer tend to be non-directional. Since low fre-
quency waves take so much space to develop, it
is difficult for the ear to tell if sub bass is coming
from the left or right side (unless you are in a very
large room). Because of this phenomenon, just
about all sub bass material is mixed in mono.
Mono Sub Operation
In larger rooms, as well as in theaters and theme
park installations (for low frequency special audio
effects), two or more RSX118S subwoofers can
be used in stereo. For additional low-end, you
can daisy chain a pair of RSX118S subwoofers to
each side of your speaker system using the paral-
lel outputs.
Stereo Sub Operation
Positioning the Subwoofer
The placement of the subwoofer can affect the overall performance of your system since room
acoustics may create standing waves, an acoustical phenomenon that causes certain bass
frequencies to sound louder. Here are a few points you should consider when setting up your
system, which can help you achieve optimal performance in your space.
The ideal placement of the subwoofer is as close to the main front of house speakers as possi-
ble, in order to blend the satellites and subwoofer. Mounting the satellite speakers on top of the
subwoofer allows you to align the drivers. The closer the subwoofer is to a wall, the louder the
bass frequencies will sound, and you can adjust the mix between the subwoofer and satellite
speakers by moving the subwoofer closer to and further from a wall.
Avoid placing the subwoofer in a corner. This can make the subwoofer appear to be louder, but
only for a limited frequency band, and will make the mix sound "boomy" and not well defined.
The best way to increase the overall level of bass is to add a second subwoofer.