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Surround Sound
Placement ol reiar surrounds
The following suggestions for optimal Ml Active placemmt are derived from several
sources: 1) Standard industry practice for home instalLations as recommmded by the
manufachrrers of surround mcoder/decoder units; 2) recommendations developed
by Tom Holman for setting up THX surround theater sound systems, and 3) Aleiis
engineers' experience finefuning the perfomrance of the SIvIS Monitoring System in
order to find the mounting configuration which results in the most natural and
a€curate surround placement. With the many differmt playback systems in use,
there is room for interpretation of what the best placement is in a control room, but
the following represents a good starting point which you are free to change to your
taste.
Vertically, the Ml. Actives should be placed on the side wall of the control room,
above your head, with the woofers on top, tweeters on the bottom. The ideal location
is to have the center of the speaker Oetween the woofer and tweeter) at g0% of the
floor'to-ceiling height. (For a standard 8 foot ceiling height the center line would be
at96" x 80o/" = 76.8" from the floor.)
Recommended poaitioning of surround speakera
zv/o
I
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Hgrizgntally, place the Ml Actives slightly behind the 90' position, at 1.10o on each
side. Make sure that at the position used, there is still at leist 3 feet to the back wall
of yo-ur studio. If you do not have at least 3 feet to the back of your studio, then the
speakers will work better if placed diagonally in the rear corner as shown on the next
Page.
]trT ACTTUE RMETCE
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