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ADJUSTING THE SUBWOOFER BEFORE USE
Before using the subwoofer, adjust the subwoofer to obtain the optimum volume and tone balance between the subwoofer and the main speakers by following the procedures described below.
Front panel
SUBWOOFER SYSTEM YST-SW015
STANDBY/ON B.A.S.S.
HIGH CUT50–150Hz VOLUME 0–10
SUBWOOFER SYSTEM YST-SW015
STANDBY/ON B.A.S.S.
HIGH CUT
50–150Hz
VOLUME
0–10
ON
POWER
OFF
3
Rear panel
/MONO
INPUT
AUTO
STANDBY
PHASE
OFF LOW HIGH NORM REV
110V–120V 220V–240V
VOLTAGE
SELECTOR
ON
POWER
OFF
3 8 5 1, 6
/MONO
INPUT
AUTO
STANDBY
PHASE
OFF LOW HIGH NORM REV
7
1
Set the VOLUME control to minimum (0).
2
Turn on the power of all the other components.
3
Make sure that the POWER switch is set to the ON position, then press the STANDBY/
ON button to turn on the subwoofer.
* The Power indicator lights up in green.
4
Play a source containing low-frequency components and adjust the amplifier’s volume control to the desired listening level.
5
Adjust the HIGH CUT control to the position where the desired response can be obtained.
Normally, set the control to the main speaker’s rated minimum reproducible frequency*.
* The main speaker’s rated minimum reproducible frequency can be looked up in the speakers’ catalog or owner’s manual.
6
Increase the volume gradually to adjust the volume balance between the subwoofer and the main speakers.
Normally, set the control to the level where you can obtain a little more bass effect than when the subwoofer is not used. If the desired response cannot be obtained, adjust the HIGH CUT control and the VOLUME control again.
7
Set the PHASE switch to the position which gives you the better bass sound.
Normally, set the switch to the REV (reverse) position. If the desired response cannot be obtained, set the switch to the NORM (normal) position.
8
Select “MOVIE” or “MUSIC” according to the played source.
MOVIE: When a movie type source is played, the lowfrequency effects are enhanced to allow the listener enjoy more powerful sound. (The sound will be thicker and deeper.)
MUSIC: When an ordinary music source is played, the excessive low-frequency components are cut off to make the sound clearer. (The sound will be lighter and reproduces the melody line more clearly.)
• Once the volume balance between the subwoofer and the main speakers is adjusted, you can adjust the volume of your whole sound system by using the amplifier’s volume control.
However, if you change the main speakers to others, you must make this adjustment again.
• For adjusting the VOLUME control, the HIGH CUT control and the PHASE switch, refer to “Frequency characteristics” on the next page.
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SW015(UB) (03.2.28)a 7 03.2.28, 7:25 PM
Frequency characteristics
This subwoofer’s frequency characteristics
100
The figures below show the optimum adjustment of each control and the frequency characteristics when this subwoofer is combined with a typical main speaker system.
EX.
When combined with an 3.5” or 4” (8 cm or 10 cm) acoustic suspension, 2 way system main speakers
100 dB
HIGH CUT 50–150Hz VOLUME 0–10 PHASE–Set to the REV
(reverse) position.
B.A.S.S.–MOVIE
90
80
70
60
50
40
20 50
Main speaker’s response
100 200 500Hz
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SW015(UB) (03.2.28)a 8 03.2.28, 7:25 PM
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