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User's Manual
11
Your subwoofer is designed to be
placed in a corner and this will produce
optimum performance.
#1 is very good positioning.
#2 is also excellent but may shake
the back wall too much and cause
things on or along the wall to rattle
too much. If this occurs, use the #3
position:
#3 Move the subwoofer ap prox i mate ly
three feet away from the right wall
and place it along the back wall
as shown. This will substantially
reduce the rattling of the back wall
and will still pres sur ize the room
with lots of bass.
Ex per i ment with at least two corners
and decide which is the best, or you can
try the following procedure:
1. Start by placing the subwoofer right
on the seat of your favorite couch
or easy chair. Take care to position
it so it is not likely to fall off. (This
method may seem a bit odd, but it
is based on principles of acoustic
physics.)
2. If you are using the subwoofer as
part of a Home Theater system,
you can either run a calibration
test (noise) signal through the
subwoofer, or simply plug the
analog outputs of a CD player di-
rectly into the subwoofer’s line level
inputs. Turn down the subwoofer's
volume level before turning on the
CD, then play some of your favorite
music samples with heavy bass.
3. Walk around the room, listening,
and stand in all the positions where
Location
you might be able to place the
subwoofer. Try crouching down,
and try the corners. Find the place
where the subwoofer's bass output
sounds the loudest.
4. Shut things down and install the
subwoofer in this position. Make
sure the control panel is not touch-
ing anything, and that it can receive
good ventilation.
Although low frequencies are non-di-
rec tion al, factors such as room re ß ec -
tions, standing waves, resonance and ab-
sorp tion will strongly affect your subwoof-
er’s per for mance. Moving the subwoofer
from one location to another can have a
major effect on the bass response.
The Auto EQ mode will let you adjust
for the room effects, but you should Þ nd
the best location Þ rst.
Remember to keep the subwoofer
at least two or three feet away from
any TV screen, computer, VCR or
mag net ic tapes and discs. This will
reduce the chance of the magnetic Þ elds
upsetting the TV screen or erasing your
magnetic media.
Using Two Subwoofers
If you wish to use two subwoofers, the
sound output will double (an increase of
6 dB). Locate the subwoofers with one
in each corner and ex per i ment with the
location and phase control to achieve the
best bass response.
Always drive each subwoofer through
the Left/Mon input even though you are
driving one subwoofer with a right chan-
nel drive and the other with a left channel
drive. If your pream pli Þ er has a single
sub/LFE output, use a Y cable to split it
into two outputs.