Yamaha NS-P380 - Manual (Page 10)

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En
1 Power indicator
Lights up when the POWER switch is set to ON;
goes off when the POWER switch is set to OFF.
2 INPUT jack
Input jack for connecting the line-level subwoofer
output on your amplifier.
3 VOLUME control
Adjusts the volume of the subwoofer. Turn it
clockwise to increase the volume;
counterclockwise to decrease the volume.
4 POWER switch
Set this to ON to turn on the subwoofer. Set it to
OFF to turn off the subwoofer.
Setting the subwoofer volume
The very first time you use the subwoofer, you need to
set the volume balance between the subwoofer and the
front speakers as follows.
1
Turn on your other AV components.
2
Set the subwoofer’s VOLUME control to
minimum (0).
3
Set the subwoofer’s POWER switch to ON.
The power indicator on the rear panel lights up.
4
Play a audio source that contains low-
frequency bass sounds. Set the amplifier’s
volume control to a suitable level.
5
Turn the subwoofer’s VOLUME control up
gradually until you achieve a good balance
between the subwoofer and the other
speakers.
Notes
• Once the subwoofer volume has been set, you can
leave the subwoofer’s VOLUME control set as it is
and use your amplifier’s volume control to adjust the
volume of the entire system.
• If you replace the front speakers (NS-B380) with
other speakers, you will need to re-adjust the
subwoofer’s volume.
• The frequency characteristics graphs below show
how the subwoofer and front speakers work
together to provide a full-range sound.
Frequency characteristics
The following graph shows the frequency
characteristics of the subwoofer (NS-SW380). The following graph shows the combined frequency
characteristics of the subwoofer (NS-SW380) and
front speakers (NS-B380).
Using the Subwoofer
4
3
2
1
Rear panel
20 50 100 200 500 Hz
40
50
60
70
80
90
100 dB
20 50 100 200 500 Hz
40
50
60
70
80
90
100 dB
NS-SW380
NS-B380