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5SERgS-ANUAL
Your Sunfi re 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 woofer 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,
and turn up the subwoofer to a
comfortable and safe level.
Location
3. Walk around the room, listening,
and stand in all the positions where
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 fl ec -
tions, standing waves, resonance and ab-
sorp tion strongly affect your subwoofer’s
per for mance. Moving the subwoofer from
one corner to another can have a major
effect on the bass response.
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 fi elds upsetting
the TV screen or erasing your magnetic
media.
Using Two Subwoofers
If you wish to use two woofers, the
sound output will double (an increase of 6
dB). Locate the woofers 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 woofer through the
Left/Mon input even though you are driv-
ing one woofer with a right channel drive
and the other with a left channel drive. If
your pream pli fi er has a single sub/LFE
output, use a Y cable to split it into two
outputs.
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