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Specifications
Type
Output power
Input sensitivity
Input impedance
Frequency response
Speaker unit
Power consumption
Power supply
Dimensions (W H D)
Weight
Finish
Accessories
* Specifications subject to change without notice.
Troubleshooting
If the speakers fail to operate normally, check the following table. It lists common operation errors and simple mea-
sures that you can take to correct problems. If a problem cannot be corrected, or the symptom is not listed, discon-
nect the AC power cord and contact your authorized YAMAHA dealer or service center for help.
FAULT
No sound comes
The AC power cord is not properly plugged
from the speakers
into the wall outlet.
or subwoofer.
The
Connections are faulty or incomplete.
The volume is set to minimum.
The level of the signal being input is too low. Turn up the volume on the connected component.
Headphones are connected.
Sound is distorted.
The level of the signal being input is too high.
Noise.
Connections are faulty or incomplete.
Noise is heard
The power cord of this unit connected to
when the power is
another unit's SWITCHED AC OUTLET.
turned on.
• Even if the
(power) switch is turned OFF, a small amount of sound may be heard from the headphones if the
VOLUME control is set to MAX. This is normal.
3
Active Servo Technology
Satellite speakers ..................... 5 W + 5 W (1 kHz, 4
Subwoofer................................ 15 W (100 Hz, 4
200 mV (1 kHz, 4
at 5 W)
10 k
40 Hz to 20 kHz
Satellite speakers ..................... 5 cm (2") full-range cone, magnetic shielding
Subwoofer................................ 12 cm (5") cone, magnetic shielding
25 W
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
General model.......................... AC 110/120/220/240 V, 50/60 Hz
Satellite speakers ..................... 80 (3-1/8") 70 (2-3/4") 120 (4-3/4") mm
Subwoofer................................ 148 (5-13/16") 283 (11-1/8") 210 (8-1/4") mm
Satellite speakers ..................... 0.35 kg (12 oz.) 2
Subwoofer................................ 4 kg (8 lbs. 13 oz.)
YST-MS28 W .......................... Computer white
YST-MS28 B ........................... Black
3.5 mm stereo mini-plug cable 1 (1.8m), 8 non skid pads 1
CAUSE
(power) switch is turned OFF.
at T.H.D.=10%)
at T.H.D.=10%)
CURE
Insert the AC power cord firmly into the wall out-
let.
Turn ON the
(power) switch (the indicator lights).
Make the connections again, firmly, or use a dif-
ferent cable.
Turn the speaker VOLUME control to the right to
increase the volume.
Turn the subwoofer VOLUME control to the right
to increase the volume.
Disconnect the headphones.
Turn down the volume on the connected compo-
nent.
Make the connections again, firmly, or use a dif-
ferent cable.
Connect the power cord to an UNSWITCHED
AC OUTLET.
Make sure to use the
(power) switch on this
unit to turn on and off.
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