TRS-MS04 Owner’s Manual
7
If the speakers fail to operate normally, check the following table. It lists common operation errors and simple measures that
you can take to correct problems. If a problem cannot be corrected, or the symptom is not listed, disconnect the AC power
cord and contact your authorized Yamaha dealer or service center for help.
Type
.........................................................Advanced Active Servo Technology
Output power
Satellite speakers..................................20 W + 20 W (1 kHz, 4 Ω at T.H.D.=10%)
Subwoofer.............................................40 W (100 Hz, 5 Ω at T.H.D.=10%)
Frequency response
...............................32 Hz to 20 kHz
Speaker unit
Satellite speakers
Tweeter .............................................1.9 cm (3/4") dome, magnetic shielding
Midrange ...........................................8 cm (3") cone, magnetic shielding
Subwoofer.............................................16 cm (6.5") cone, magnetic shielding
Power consumption
........................... 65W
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 220–230 V, 50/60 Hz
Dimensions (W x H x D)
Satellite speakers..................................97 (3.8") x 159 (6.3") x 178 (7") mm
Subwoofer.............................................350 (13.8") x 210 (8.3") x 321 (12.6") mm
Weight
Satellite speakers..................................0.7 kg (1 lb. 9 oz.) x 2
Subwoofer.............................................7.4 kg (16 lbs. 5 oz.)
Accessories
Speaker brackets x 2, RCA pin cables x 2, RCA pin/8-pin combination cable x 1, Owner’s Manual (this book)
* Specifications and descriptions in this owner’s manual are for information purposes only. Yamaha Corp. reserves the right to
change or modify products or specifications at any time without prior notice. Since specifications, equipment or options may not
be the same in every locale, please check with your Yamaha dealer.
Troubleshooting
FAULT
CAUSE
CURE
No sound comes from the
speakers or subwoofer.
The AC power cord is not properly plugged
into the wall outlet.
Insert the AC power cord firmly into the wall
outlet.
The main power switch on the subwoofer is
set to OFF.
Set the main power switch to ON.
Connections are faulty or incomplete.
Make sure the connections are secure, or
use a different cable.
The volume is set to minimum.
Turn the instrument’s MASTER VOLUME
control to the right to increase the volume.
Turn the subwoofer MASTER VOLUME con-
trol to the right to increase the volume.
Turn the subwoofer BASS control to the right
to increase the volume. For best results, set
this to the midway position.
Sound is distorted.
The level of the signal being input is too
high.
Turn down the volume on the instrument.
The subwoofer BASS control is set to too
high of a volume.
Turn the subwoofer BASS control counter-
clockwise to decrease the volume.
Noise.
Connections are faulty or incomplete.
Make sure the connections are secure, or
use a different cable.
The speakers produce a “pop”
sound whenever the power is
turned ON or OFF.
The instrument’s power is turned ON before
the Subwoofer’s power is turned ON.
First, turn the subwoofer’s power ON, then
turn the instrument’s power ON.
Specifications
