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User's Manual
11
Placing your subwoofer in a corner
will produce optimum performance.
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 crouch down low in all the
positions where you might be able
to place the subwoofer. Ideally your
ears would be where the sub would
be placed. Explain to the family
what you are doing, in case they
think you've ß ipped. 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.
Location
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.