Owner's Manual

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3
Positioning - Front Speakers
The centre channel should be the first speaker positioned in a home theatre room, and
such that the tweeter is directed towards the listener’s ear. The centre channel’s job is to
anchor dialogue and other on-screen sounds to the screen. Typically, as much as 60% of
a movie soundtrack comes through the centre channel.
The centre channel can be placed either above or below the TV screen, and as close as
possible. If positioned in a cabinet or sitting on top of the TV, ensure that the front edge
is aligned with the front edge of the TV or shelf. Where possible, the height of the centre
channels’ tweeter should be close to the height of the front speakers’ tweeter — ideally,
within about 600mm.
When placing Radius loudspeakers on the wall around a plasma/ LCD TV, the left and right
speakers need to be between 22 & 30° to the left and right of the seating position, with the
tweeters at approximate ear level.
Positioning - Surround Speakers
Ideally, the primary pair of surround speakers should be placed to the left and right of the
listening position — either in line with it, or just behind it (90 - 110°). If using a 6.1 or 7.1
channel system with more than two surround speakers, or if side placement isn’t available
in a 5.1 channel system, consider placement behind the listening position, facing the front
of the room (135 - 150°).
Surround speakers should be placed high enough so that the drivers do not fire directly at
ear level when sitting down — one rule of thumb is to place them at ear level while standing,
to avoid overpowering the front speakers.
If the surrounds are mounted on brackets on the side walls, experiment with aiming them.
Surround speaker placement ideal for home theatre, may not necessarily be so for
multichannel music listening, where a precisely focused rear soundstage is best. If both
types of listening are important, position them as a compromise between the two.