Yamaha NS-P285 Owner's Manual download pdf (Page 9)

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English

• If you replace the front speakers (NS-B285) 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

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.

■ Subwoofer (NS-SW280)

The following graph shows the

frequency characteristics of the

subwoofer (NS-SW280).

The following graph shows the combined frequency characteristics of

the subwoofer (NS-SW280) and front speakers (NS-B285), and center

speaker (NS-C385).

Troubleshooting

Issue Possible cause Remedy

There’s no sound. The speaker cables are not

connected properly.

Make sure the speaker cables are connected properly.

The sound is very quiet. The speaker cables are not

connected properly.

Make sure the speaker cables are connected properly:

L (left) to L, R (right) to R, “+” to “+” and “–” to “–”.

20 50 100 200 500 Hz

100 dB

20 50 100 200 500 Hz

100 dB

NS-SW280

NS-B285

20 50 100 200 500 Hz

100 dB

NS-SW280

NS-C385

Issue Possible cause Remedy

The POWER switch is set

to ON but the subwoofer

doesn’t work.

The power cable is not connected

properly.

Set the POWER switch to OFF, then make sure the power

cable is connected properly.

There’s no sound. The VOLUME control is set to 0. Turn up the VOLUME control.

The subwoofer cable is not

connected properly.

Make sure the subwoofer cable is connected properly.

The subwoofer is too

quiet.

The source material doesn’t

contain much bass.

Try playing source material that contains more bass.

Bass sounds are being cancelled

out by standing waves.

Reposition the subwoofer, or break up parallel wall surfaces

by placing bookshelves or other large objects along the wall.

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Yamaha NS-P285 Owner's Manual Page 9

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