Practice of sound / Installation and placement tips
This chapte
r contains common information on
loudspeaker placement and installation.
This is general rules, so there are exceptions of
some rules
In which room do
you achieve the best
sound?
No matter how good the equipment is, in the wrong
listening enviro
nment it will inevitably sound bad.
There are some basic rules concerning a proper
loudspeaker installation:
Reflections
Carpets, curtains and soft furniture absorb mid
range and high frequency sou
preferable. Big empty areas on the ot
produce hard reflections that may lead to a
dialogue. Apart from colouring the sound, t
perspective of the sound can also
Reflections in the room can roughly be compar
the reflections that cause
screen.
frequencies
A loudspeaker that is placed near a wall, ceiling or
floor will amplify
lower frequencies in a sometimes
not desirable way (since it may lead t
sound reproduction
). This amplification becomes
even more obvious if the loudspeaker is placed near
a corner. Thus, for a sound as clear as possible, the
loudspeaker should be placed at least 30 cm (about
12 inch) away from the wall.
Some speaker constructions are
close to a wall however.
Furniture
Be aware that furniture may v
at high sound levels.
Room dimension
Quadratic rooms or rooms where the length is
exactly twice as long as the width should be
avoided, since they are very likely to produ
unwanted resonances.
Placement of the
subwoofer
The placement of the subwoofer in the room
dramatically
affects the overall frequency response
and sound level of the system. A
the effect of the room is
cha
nge in the subwoofer's location can make a
significant
difference in the frequency balance.
Patience and experimentation is needed to find
optimal placement. The placement affects
phase difference between the main loudspeakers
and the subwoofer.
Subwoofers often get a more linear frequency
response placed in a corner.
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