Sony CDX-C90 CD Player User Manual


 
DSP
55
EN
DSP
Adjusting the cut-off
frequency of the
subwoofer(s)
1 Press and hold SOUND for two seconds.
The DSP Sound Tuning Mode appears.
2 Press SOUND repeatedly to select “SUB.”
3 Press VOL + or – repeatedly to select the
cut-off frequency.
The frequency appears in the order as follows.
62Hz ˜ 78Hz ˜ 99Hz ˜ 125Hz* ˜ 157Hz ˜ 198Hz
* Factory-set frequency
4 Press and hold SOUND for two seconds.
The normal display appears.
What is the cut-off frequency?
To match the characteristics of
the connected subwoofer(s),
you can cut out the unwanted
high and middle frequency
signals entering the
subwoofer(s). By setting the
cut-off frequency, the
subwoofer(s) will output only
low frequency signals so you
can get a clearer sound image.
Frequency
Level
Cut-off frequency
62
78
99 125
157
198
SUB Tuning
C.off125Hz
DSP Sound Tuning Mode CD1
4
2.16
Tips
• Each time you press
SOUND, the tuning
item changes as
follows:
$
SUR (Surround)
$
POS (Position)
$
SUB (Subwoofer)
$
BAS (Bass)
$
TRE (Treble)
• In step 3, press / to
switch to the
subwoofer’s volume
adjustment. (see next
page)
Cursor
SOUND
VOL
+
/
-