Frequency Characteristics; Troubleshooting; Specifications - Yamaha NS-P280 Owner's Manual

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.
■ Front, center, and surround speakers (NS-B280)
Type ........... Full-range acoustic-suspension speaker system
Driver ........................................6.5 cm (2-1/2") cone speaker
Nominal input power ......................................................30 W
Maximum input power .................................................. 80 W
Impedance ...........................................................................6 Ω
Frequency response ....................................... 110 Hz–40 kHz
Sensitivity ............................................... 81 dB/2.83 V, 1 m
Dimensions (W x H x D) .......................... 90 x 90 x 109 mm
Weight ...............................................................0.45 kg (1 lbs.)
■ Subwoofer (NS-SW280)
Type ..................... Advanced Yamaha Active Servo Technology
Driver ...........................................16 cm (6-1/2") cone woofer
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.

Specifications

non-magnetic shielding type
(3-1/2" x 3-1/2" x 4-1/4")
non-magnetic shielding type
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.
Output power ....................... 50 W (100 Hz, 5 Ω, 10% THD)
Dynamic power ...................................................... 100 W, 5 Ω
Input impedance ................ INPUT (1P RCA pin jack): 10 kΩ
Frequency response ..........................................30 Hz–160 Hz
Input sensitivity ..........................INPUT (1P RCA pin jack):
Power supply
U.S.A. and Canada models .......................AC 120 V, 60 Hz
Australia model..........................................AC 240 V, 50 Hz
U.K. and Europe models ...........................AC 230 V, 50 Hz
China, Korea, Asia, and General models
................ AC 110-120/220-240 V, 50/60 Hz
Dimensions (W x H x D) ......................262 x 264 x 316 mm
Weight............................................................. 6.9 kg (15.2 lbs.)
Specifications are subject to change without notice.
NS-SW280
NS-B280
50 100 200 500 Hz
80 mV (50 Hz, 50 W/5 Ω )
(10-3/8" x 10-3/8" x 12-1/2")