Frequency Characteristics; Troubleshooting - Yamaha NS-P280 Manual De Instrucciones

• If you replace the front speakers (NS-B280) 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-SW280).
100 dB
90
80
70
60
50
40
20 50 100
If this product doesn't work as expected, look for a possible cause below. If the issue you are experiencing is not
listed, or you cannot resolve it after reading through these instructions, disconnect the power cable and contact an
authorized Yamaha dealer or service center.
Issue
There's no sound.
The sound is very quiet.
■ Subwoofer (NS-SW280)
Issue
The POWER switch is set
to ON but the subwoofer
doesn't work.
There's no sound.
The subwoofer is too
quiet.
5
En
200 500 Hz

Troubleshooting

Possible cause
The speaker cables are not
connected properly.
The speaker cables are not
connected properly.
Possible cause
The power cable is not connected
properly.
The VOLUME control is set to 0. Turn up the VOLUME control.
The subwoofer cable is not
connected properly.
The source material doesn't
contain much bass.
Bass sounds are being cancelled
out by standing waves.
The following graph shows the combined frequency
characteristics of the subwoofer (NS-SW280) and
front speakers (NS-B280).
100 dB
90
80
70
60
50
40
20
Remedy
Make sure the speaker cables are connected properly.
Make sure the speaker cables are connected properly:
L (left) to L, R (right) to R, "+" to "+" and "–" to "–".
Remedy
Set the POWER switch to OFF, then make sure the power
cable is connected properly.
Make sure the subwoofer cable is connected properly.
Try playing source material that contains more bass.
Reposition the subwoofer, or break up parallel wall surfaces
by placing bookshelves or other large objects along the wall.
NS-SW280
NS-B280
50 100 200 500 Hz