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Basic Operations
Basic Operations
9
GB
You can adjust the sound of the woofer to suit the sound of your front
speakers. Reinforcing the bass sound gives you a greater sense of
atmosphere.
1
Adjust the cut-off frequency.
Turn the CUT OFF FREQ control, depending on the reproduction
frequencies of your front speakers.
Refer to the following when adjusting.
1 Typical very small sized speakers: 8 - 10 cm dia.
2 Typical small sized speakers: 12 - 15 cm dia.
3 Typical medium sized speakers: 16 - 24 cm dia.
4 Typical large sized speakers: more than 25 cm dia.
To make the most of the low level converter function of Dolby digital,
turn the CUT OFF FREQ as high as possible when playing back the
Dolby digital (AC-3).
2
Adjust the volume level of the woofer.
Turn the LEVEL control so that you can hear the bass sound a little
more than before. To increase the volume, turn the control clockwise.
To decrease the volume, turn the control counterclockwise.
3
Play your favorite song and movie.
Male vocal tunes and voice containing bass sounds are most suitable
for adjustment. Turn the volume for front speakers to the same level
as usual.
4
Select the phase polarity.
Use the PHASE selector to select the phase polarity.
5
Repeat steps 1 to 4 to adjust for your preference.
Once you have adjusted the woofer to the settings you desire, use the
VOLUME control on the amplifier to adjust the volume of the woofer
with that of the other speakers. You don’t need to adjust the woofer
settings when you change the volume level of the amplifier.
3 2
50Hz 120Hz
60Hz 100Hz
80Hz
4
1
Adjusting the Sound
Basic Operations
Note
If the sound distorts when you turn
on the bass reinforcement from
your amplifier (such as, DBFB,
GROOVE, the graphic equalizer,
etc.), turn off the bass reinforcement
and adjust the sound.
Note
Do not turn the volume of the
woofer to maximum. Doing so may
weaken the bass sound. Moreover,
extraneous noise may be heard.
Note
Selecting NORMAL or REVERSE
with the PHASE selector reverses
the polarity and may provide better
bass reproduction in certain
listening environments (depending
on the type of front speakers, the
position of the woofer and the
adjustment of the cut-off
frequency). It may also change the
expanse and tightness of sound, and
effect the feeling of the sound field.
Select the setting that provides the
sound you prefer when listening in
your normal listening position.
LEVEL PHASE
CUT OFF FREQ
LEVEL
MIN MAX
CUT OFF FREQ
50Hz
PHASE
120Hz
REVERSENORMAL