PMC twotwo.5 User Manual page 19

Surround Sound Systems
5.1 Systems
The twotwo series has been designed for perfect
multi-channel music or movie playback. The following
diagrams indicate the ideal speaker layouts.
TIP
The constraints of room size and shape will often force
some loudspeakers to be placed closer or further from
the listening position than is ideal. In such situations the
time-alignment facilities of the surround processor or
monitor controller should be employed to compensate.
TIP
When bass management is being used the subwoofer
carries not only the LFE signal, but also the low bass from
some, or all, of the main monitors as well. The subwoofer
should be placed at the front of the room, and the optimal
position provides the smoothest low bass without boomy or
weak notes.
7.1 Systems
In a system capable of 7.1 Dolby
®
EX ™ , DTS ES ™ or Blu-ray
sets of surround speakers. The first pair (surround or
side channels) should be positioned at 100º, and the
second set (rear or back channels) at 150º. (The front
centre axis is 0º while directly to the rear of the room
is 180º).
®
Dolby Digital Surround EX
registered trademarks of DTS
®
Digital Surround
™ playback there will be two
™
is a registered trademark of Dolby
® ™
Inc. Blu-ray is a trademark of the Blu-ray
® ® ™
Laboratories. DTS ES are
™
Disc Association.