Yamaha YST-SW005 Посібник користувача - Сторінка 17

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Yamaha YST-SW005 Посібник користувача
1
Set the VOLUME control to minimum (0).
2
Turn on the power of all the other
components.
3
Press the POWER switch to the ON position.
* The power indicator on the front panel 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
Set the HIGH CUT switch to the LOW or
HIGH position.
This subwoofer is designed so that the
optimum tone balance between the subwoofer
and the main speakers is obtained when this
switch is set to the LOW position. The tone
balance may change, however, depending on
the room size, the distance from the subwoofer
to the main speakers, and so on. If necessary,
switch it to the HIGH position.

Frequency characteristics

Fig. 1 shows the frequency characteristics of the subwoofer
with each position (HIGH/LOW) of the HIGH CUT switch.
100
90
80
HIGH CUT
70
60
50
40
20
50
HIGH CUT
HIGH
LOW
100
200
500Hz
Fig. 1
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
this unit is not used. If the desired response
cannot be obtained, adjust the HIGH CUT
switch and the VOLUME control again.
● 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 (NX-230P)
to others, you must make this adjustment again.
● For adjusting the VOLUME control and the HIGH CUT
switch, refer to "Frequency characteristics" below.
Fig. 2 shows the optimum volume level with the HIGH CUT
switch at the HIGH position, and the frequency
characteristics when the subwoofer is combined with NX-
230P.
100
VOLUME
90
80
70
0
I0
60
HIGH
LOW
50
HIGH CUT
40
20
YST-SW005
NX-230P
50
100
200
500Hz
Fig. 2
E-
13