Samson dB1500a - Manual (Page 9)

Configuring Your Speaker System
Before you start plugging in cables, you should take a minute to decide how you want to interface your new subwoofer.
There are several ways you can interface the dB1500a and dB1800a, however most systems set-ups fall into two catego-
ries, Stereo or Mono (Common) sub operation.
Stereo Sub Operation
In larger rooms, as well as in theatres
and theme park installations (for low
frequency special audio effects), two
dB1500a and dB1800a’s can be used
in stereo.
Common Sub Operation
In most cases a common sub, or mono bass
operation is desired. This is true for several
reasons, but mostly because low frequencies
produced by a subwoofer tend to be non-
directional. Since low frequency waves take
so much space to actually develop, you can’t
tell if the sub bass is coming from the left or
right side, unless of course you’re in a very
large room. Because of this phenomena, just
about all sub bass material is mixed in mono.
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