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Practice of sound / Installation and placement tips
This chapter contains common information on
loudspeaker placement and installation.
This is general rules, so there are exceptions of
In which room do
you achieve the best
sound?
No matter how good the equi
listening environment it will inevitably sound bad.
There are some basic rules concerning a proper
loudspeaker installation:
Carpets, curtains and soft furniture absorb mid
range and high frequency sound, and th
preferable. Big empty area, on the contrary, reflects
it and produces hard reflections that may lead to
blurry dialogue. Apart from colouring the sound,
also the perspective of the sound will deteriorate.
Reflections in the room can roughly be compar
the reflections that yield ghost pictures on a TV
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 to an i
sound recreation). 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 constructi
ons are made to be placed closed to
Be aware that furniture may vibrate and thus create
Quadratic rooms or rooms where the length is
exactly twice as long as the width should be
oided, since they may create unwanted
Placement of the
subwoofer
The placement of the subwoofer in the room
dramatically affects the overall frequency response
and sound level of the system. At low frequencies
the effect of the room is
change in the subwoofer's location can make a
significant difference in the frequency balance.
Patience and methodical experimentation is needed
to find an optimal placement. The placement
affects the phase difference between the mai
loudspeakers and the subwoofer.
One basic rule is to place the subwoofer together
with or near the front system (especially important
if the front loudspeaker also propagate bass
frequencies) as this will minimize the risk of phase
eliminations in the room.
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