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5-11
Nº40 Media Console Menu System
We have omitted indicating where the subwoofer is located in these
drawings, since no one subwoofer location is always going to be
optimal in all rooms.
The surround back speakers can be used to reproduce Surround•EX
surround information, and other similar information on non-
encoded material (such as DTS 6.1 ES). They are generally desig-
nated Sbl and Sbr for surround back left and surround back right,
respectively. These speakers are used to provide center fill informa-
tion behind you to maximize surround envelopment and certain
types of “flyover” effects.
Surround back speaker and mono subwoofer
Alternatively, you can decide to use the extra two channels of
hardware in your Nº40 for an extra subwoofer and a single
surround back (Sb) channel.
The extra subwoofer is a second, mono channel that is identical to
the main subwoofer output in content, but which has its own
distance and level setting adjustments. This approach is often the
best way to achieve maximally uniform and accurate bass response
in a room. Playing the same information in carefully chosen, stag-
gered locations in the room minimizes the adverse effects of room
modes on bass reproduction. Please consult with your dealer on the
best way to take advantage of this capability in your particular
room.
The surround back (Sb) channel is used to drive the amplifier
channel that in turn drives a single surround back speaker that is
normally located directly behind the primary listening position.
This speaker is used to provide center fill information behind you
to maximize surround envelopment and certain types of “flyover”
effects. The resulting room layout looks the same as in Figure 5-2 on
page 5-9.
The indicated angles are measured from front-and-center, and are
approximate guidelines only. (Try to stay within about 10° of the
angles indicated, and try to maintain as much symmetry as possible.)
We have omitted indicating where the subwoofers are located in
these drawings, since no subwoofer location is always going to be
optimal, in all rooms.
Specifically,
• The subwoofer channel becomes the sub #1 channel
• The aux 1 channel becomes the surround back channel
• The aux 2 channel becomes the sub #2 channel.
In this case, the sub #1 and the sub #2 outputs contain the same
information, but operate with independent distance and level