Yamaha Speaker 900SW User Manual

UB  
Soavo-900SW  
SUBWOOFER SYSTEM  
OWNER’S MANUAL  
 
We Want You Listening For A  
Lifetime  
FCC INFORMATION (for US customers)  
1
IMPORTANT NOTICE : DO NOT MODIFY  
THIS UNIT!  
YAMAHA and the Electronic Industries Association’s  
Consumer Electronics Group want you to get the most out  
of your equipment by playing it at a safe level. One that  
lets the sound come through loud and clear without  
annoying blaring or distortion – and, most importantly,  
without affecting your sensitive hearing.  
This product, when installed as indicated in the  
instructions contained in this manual, meets FCC  
requirements. Modifications not expressly  
approved by Yamaha may void your authority,  
granted by the FCC, to use the product.  
2
3
IMPORTANT : When connecting this product to  
accessories and/or another product use only high  
quality shielded cables. Cable/s supplied with this  
product MUST be used. Follow all installation  
instructions. Failure to follow instructions could  
void your FCC authorization to use this product in  
the USA.  
Since hearing damage from loud  
sounds is often undetectable until it is  
too late, YAMAHA and the  
Electronic Industries Association’s  
Consumer Electronics Group  
recommend you to avoid prolonged  
exposure from excessive volume  
levels.  
NOTE : This product has been tested and found to  
comply with the requirements listed in FCC  
Regulations, Part 15 for Class “B” digital devices.  
Compliance with these requirements provides a  
reasonable level of assurance that your use of this  
product in a residential environment will not result  
in harmful interference with other electronic  
devices.  
This equipment generates/uses radio frequencies and,  
if not installed and used according to the instructions  
found in the users manual, may cause interference  
harmful to the operation of other electronic devices.  
Compliance with FCC regulations does not guarantee  
that interference will not occur in all installations. If  
this product is found to be the source of interference,  
which can be determined by turning the unit “OFF”  
and “ON”, please try to eliminate the problem by using  
one of the following measures:  
Relocate either this product or the device that is being  
affected by the interference.  
Utilize power outlets that are on different branch (circuit  
breaker or fuse) circuits or install AC line filter/s.  
In the case of radio or TV interference, relocate/  
reorient the antenna. If the antenna lead-in is 300 ohm  
ribbon lead, change the lead-in to coaxial type cable.  
If these corrective measures do not produce  
satisfactory results, please contact the local retailer  
authorized to distribute this type of product. If you can  
not locate the appropriate retailer, please contact  
Yamaha Electronics Corp., U.S.A. 6660 Orangethorpe  
Ave, Buena Park, CA 90620.  
The above statements apply ONLY to those products  
distributed by Yamaha Corporation of America or its  
subsidiaries.  
ii En  
 
Thank you for selecting this YAMAHA subwoofer system.  
CAUTION: Read this before operating your unit.  
Please read the following operating precautions before use.  
YAMAHA will not be held responsible for any damage and/or  
injury caused by not following the cautions below.  
15 When using a humidifier, be sure to avoid condensation inside  
this unit by allowing enough spaces around this unit or  
avoiding excess humidification. Condensation might cause a  
fire, damage to this unit, and/or electric shock.  
16 Super-bass frequencies reproduced by this unit may cause a  
turntable to generate a howling sound. In such a case, move  
this unit away from the turntable.  
17 This unit may be damaged if certain sounds are continuously  
output at high volume level. For example, if 20 Hz-50 Hz sine  
waves from a test disc, bass sounds from electronic  
instruments, etc. are continuously output, or when the stylus of  
a turntable touches the surface of a disc, reduce the volume  
level to prevent this unit from being damaged.  
18 If you hear distorted noise (i.e., unnatural, intermittent  
“rapping” or “hammering” sounds) coming from this unit,  
reduce the volume level. Extremely loud playing of a movie  
soundtrack’s low frequency, bass-heavy sounds or similarly  
loud popular music passages can damage this speaker system.  
19 Vibration generated by super-bass frequencies may distort  
images on a TV. In such a case, move this unit away from the  
TV set.  
1
To assure the finest performance, please read this manual  
carefully. Keep it in a safe place for future reference.  
Install this unit in a cool, dry, clean place - away from  
windows, heat sources, sources of excessive vibration, dust,  
moisture and cold. Avoid sources of humming (transformers,  
motors).  
2
3
4
Never open the cabinet. If something drops into the set, contact  
your dealer.  
The voltage to be used must be the same as that specified on  
the rear panel. Using this unit with a higher voltage than  
specified is dangerous and may cause a fire and/or electric  
shock.  
5
6
To reduce the risk or fire or electric shock, do not expose this  
unit to rain or moisture.  
Do not use force on switches, controls or connection wires.  
When moving the unit, first disconnect the power plug and the  
wires connected to other equipments. Never pull the wires  
themselves.  
7
8
When not planning to use this unit for a long period (ie.,  
vacation, etc.), disconnect the AC power plug from the wall  
outlet.  
Since this unit has a built-in power amplifier, heat will radiate  
from the rear panel. Place the unit apart from the walls,  
allowing at least 20 cm of space above, behind and on both  
sides of the unit to prevent fire or damage. Furthermore, do not  
position with the rear panel facing down on the floor or other  
surfaces.  
20 Do not attempt to clean this unit with chemical solvents as this  
might damage the finish. Use a clean, dry cloth.  
21 Be sure to read the “TROUBLESHOOTING” section  
regarding common operating errors before concluding that the  
unit is faulty.  
22 Install this unit near the wall outlet and where the AC power  
plug can be reached easily.  
23 The batteries shall not be exposed to excessive heat such as  
sunshine, fire or the like.  
9
Do not cover the rear panel of this unit with a newspaper, a  
tablecloth, a curtain, etc. in order not to obstruct heat radiation.  
If the temperature inside the unit rises, it may cause fire,  
damage to the unit and/or personal injury.  
24 Secure placement or installation is the owner’s  
responsibility. YAMAHA shall not be liable for any  
accident caused by improper placement or installation of  
speakers.  
10 Do not place the following objects on this unit:  
This unit features a magnetically shielded design, but  
there is still a chance that placing it too close to a TV set  
might impair picture color. Should this happen, move  
this unit away from the TV set.  
- Glass, china, small metallic etc.  
If glass etc. falls by vibrations and breaks, it may cause bodily  
injury.  
- A burning candle etc.  
If the candle falls by vibrations, it may cause fire and bodily  
injury.  
- A vessel with water in it  
This unit is not disconnected from the AC power source  
as long as it is connected to the wall outlet, even if this  
unit itself is turned off. In this state, this unit is designed  
to consume a very small quantity of power.  
If the vessel falls by vibrations and water spills, it may cause  
damage to the speaker, and/or you may get an electric shock.  
11 Do not place this unit where foreign objects such as water drips  
might fall. It might cause a fire, damage to this unit, and/or  
personal injury.  
12 Never put a hand or a foreign object into the YST port located  
on the front side of this unit. When moving this unit, do not  
hold the port as it might cause personal injury and/or damage  
to this unit.  
13 Never place a fragile object near the YST port of this unit. If  
the object falls or drops by the air pressure, it may cause  
damage to the unit and/or personal injury.  
14 Never open the cabinet. It might cause an electric shock since  
this unit uses a high voltage. It might also cause personal injury  
and/or damage to this unit.  
iii En  
 
• VOLTAGE SELECTOR  
(Asia and General models only)  
CONTENTS  
The voltage selector switch on the rear panel of this  
unit must be set for your local main voltage BEFORE  
plugging this unit into the AC main supply. Voltages  
are 110/120/220/230-240 V AC, 50/60 Hz.  
GETTING STARTED ............................................. 2  
Features .................................................................. 2  
About this manual .................................................. 2  
Supplied accessories ............................................. 2  
Controls and functions........................................... 3  
Preparing the remote control................................. 5  
For U.K. customers  
If the socket outlets in the home are not suitable for the  
plug supplied with this appliance, it should be cut off and  
an appropriate 3 pin plug fitted. For details, refer to the  
instructions described below.  
PLACEMENT ........................................................ 6  
CONNECTIONS .................................................... 7  
Connecting to the amplifier equipped  
with subwoofer (line out) terminal(s)........................7  
1
Note: The plug severed from the mains lead must be  
destroyed, as a plug with bared flexible cord is hazardous  
if engaged in a live socket outlet.  
2
Connecting to an amplifier not equipped  
with a subwoofer (line out) terminal........................ 9  
Connecting the power cable................................ 12  
SPECIAL INSTRUCTIONS FOR U.K. MODEL  
IMPORTANT:  
THE WIRES IN MAINS LEAD ARE COLOURED  
IN ACCORDANCE WITH THE FOLLOWING  
CODE:  
Blue: NEUTRAL  
Brown: LIVE  
As the colours of the wires in the mains lead of this  
apparatus may not correspond with the coloured  
markings identifying the terminals in your plug,  
proceed as follows: The wire which is coloured  
BLUE must be connected to the terminal which is  
marked with the letter N or coloured BLACK. The  
wire which is coloured BROWN must be connected  
to the terminal which is marked with the letter L or  
coloured RED. Making sure that neither core is  
connected to the earth terminal of the three pin plug.  
USING THIS UNIT ............................................... 13  
Adjusting the sound balance............................... 13  
Setting the sleep timer ......................................... 14  
Operating the power of this unit using  
the remote control of your amplifier ................... 15  
Frequency response............................................. 16  
Advanced Yamaha  
Active Servo Technology II ............................... 17  
TROUBLESHOOTING ........................................ 18  
SPECIFICATIONS .............................................. 19  
FOR CANADIAN CUSTOMERS  
To prevent electric shock, match wide blade of plug  
to wide slot and fully insert.  
This Class B digital apparatus complies with  
Canadian ICES-003.  
1 En  
 
GETTING STARTED  
Features  
High 600 W dynamic power  
L.F.E input terminal  
Sleep timer  
Two input connections  
This unit can be easily added to your existing audio  
system by connecting to either the speaker terminals or  
the line output (pin jack) terminals of the amplifier.  
Optimum bass sounds with various settings  
Setting high cut and phase keeps the optimum sound  
quality balance between the front speakers and this unit.  
Remote control capability  
You can make setting changes and adjustments for this  
unit by using the remote control from your listening  
position.  
B.A.S.S. mode button  
This unit is equipped with the B.A.S.S. mode button so  
that you can enjoy bass sound that matches any kind of  
source.  
Advanced Yamaha Active Servo Technology II  
This unit employs Advanced Yamaha Active Servo  
Technology II which Yamaha has developed for  
reproducing higher quality super-bass sound.  
About this manual  
• In this manual, operations that can be performed using either the front panel of this unit or the remote control are  
explained using the remote control.  
y indicates a tip for your operation.  
• Notes contain important information about safety and operating instructions.  
Supplied accessories  
Check that you have received all of the following parts.  
Batteries (2)  
(AA, R6, UM-3)  
Power cable  
POWER STANDBY SLEEP  
B.A.S.S.  
PHASE  
MEMORY  
3
PRESET  
2
1
VOLUME  
HIGH CUT  
Remote control  
2 En  
 
       
GETTING STARTED  
Controls and functions  
Front panel  
1
SUBWOOFER SYSTEM Soavo-900SW  
1
2
3
1
2
3
8
7
2
3
STANDBY  
/ON  
PHASE  
B.A.S.S.  
PRESET  
STANDBY  
/ON  
VOLUME  
H-CUT  
4
5
6
1 Remote control sensor  
6 VOLUME control  
Receives signals from the remote control.  
Adjusts the volume level. Turn the control clockwise to  
increase the volume, counterclockwise to decrease the  
volume.  
2 STANDBY/ON indicator  
Green: Lights up when this unit is on.  
Red: Lights up when this unit is in the standby mode.  
Orange: Lights up when the sleep timer is on.  
7 B.A.S.S. indicators  
Light up to indicate the currently selected B.A.S.S.  
number (1, 2 or 3) (see page 13).  
3 PHASE indicator  
Green: Lights up when the phase is set in the reverse mode.  
Red: Lights up when the phase is set in the regular mode.  
8 PRESET indicators  
Light up to indicate the currently selected PRESET  
number (1, 2 or 3) (see page 14).  
Notes  
4 STANDBY/ON switch  
• If you set this unit to the standby mode when one of the  
PRESET indicators is lit, no PRESET indicator lights up  
when you turn on this unit next time.  
Turns on or sets this unit to the standby mode.  
Note  
In the standby mode, this unit consumes a small amount of  
power.  
• The PRESET indicator turns off when you press any  
button other than PRESET 1, 2, or 3, or when you  
operate any other function of this unit.  
5 H-CUT control  
Adjusts the high frequency cut off point depending on the  
connected front speakers or your preference (see page 13).  
One graduation  
of this control  
represents 10 Hz.  
H-CUT  
3 En  
 
 
GETTING STARTED  
Rear panel  
OUTPUT  
TO SPEAKERS  
POWER  
L
L
MONO  
L
R
ON  
OFF  
R
R
INPUT  
3
INPUT  
2
R
L
FROM AMPLIFIER  
INPUT 1  
1 GND terminal  
5 INPUT 1 terminals  
See pages 10 - 11 for connection information.  
2 INPUT 3 terminals  
See pages 7 - 8 for connection information.  
6 AC IN  
Connects the supplied power cable (see page 12).  
3 INPUT 2 (LFE) terminals  
7 POWER switch  
Switches the power (ON/OFF) of this unit.  
Normally, set this switch to the ON position. When this  
unit is not used for a long period of time, set the switch to  
the OFF position.  
4 OUTPUT terminals  
See page 10 for connection information.  
Remote control  
3 B.A.S.S.  
Selects a mode that is suitable for the source.  
Each time you press B.A.S.S., the B.A.S.S. indicator  
changes between 1, 2, and 3.  
POWER STANDBY SLEEP  
1
2
3
6
B.A.S.S.  
PHASE  
4 PRESET  
Stores or recalls the B.A.S.S., volume, high-cut frequency  
and phase settings (see page 14).  
7
8
MEMORY  
PRESET  
2
1
3
4
5
5 HIGH CUT  
Adjusts the high frequency cut off point depending on the  
connected front speakers or your preference (see page 13).  
/
VOLUME  
HIGH CUT  
9
6 SLEEP  
Sets the sleep timer (see page 14).  
7 PHASE  
Switches the phase mode.  
Normally, set this unit to the reverse position. However,  
according to your speaker systems or the listening  
condition, there may be cases when better sound quality is  
obtained by setting this switch to the normal position.  
Select the better position by monitoring the sound.  
1 STANDBY  
Sets this unit to the standby mode.  
Note  
In the standby mode, this unit consumes a small amount of  
power.  
8 MEMORY  
Stores the B.A.S.S., volume, high-cut frequency and phase  
2 POWER  
Turns on this unit.  
9 VOLUME  
/
Adjusts the volume of this unit.  
4 En  
 
GETTING STARTED  
Preparing the remote control  
Installing the batteries in the remote  
Using the remote control  
control  
3
1
2
Remotecontrol  
sensor  
Approximately  
6 m (20 ft)  
1 Press the  
mark on the battery cover and  
open the cover.  
2 Insert the two supplied type AA, R6, UM-3  
batteries following the indications (+/–)  
inside the battery compartment.  
The remote control transmits a directional infrared ray. Be  
sure to aim the remote control directly at the remote control  
sensor on the main unit during operation.  
3 Close the battery cover.  
Replacing the batteries  
Change all of the batteries if you notice conditions such as  
the operation range of the remote control decreases.  
Handling the remote control  
Be careful not to spill liquid on the remote control.  
Be careful not to drop the remote control.  
Notes  
• Do not use an old battery together with a new one.  
• Do not use different types of batteries (for example,  
alkaline and manganese) together. Each type of battery  
has its own characteristics even if they are similar in  
shape.  
Do not leave the remote control in the following places:  
– hot or humid places, such as near a heater or in a  
bathroom  
– extremely cold places  
– dusty places  
• If the batteries run out, immediately remove them from  
the remote control to prevent an explosion or acid leak.  
• Dispose of the batteries according to the regional  
regulations.  
• If a battery starts leaking, dispose of it immediately. Be  
careful not to let leaking battery acid come into contact  
with your skin or clothing. Before inserting new  
batteries, wipe the compartment clean.  
5 En  
 
 
PLACEMENT  
The position of the subwoofer is not so critical because bass sound is not highly directional. For a sonorous sound field,  
the use of two subwoofers is recommended, although you can obtain a good effect with one subwoofer. (  
: front speaker)  
: subwoofer,  
When using one subwoofer  
When using two subwoofers  
Place the subwoofer on the outside of either the right or the  
left front speaker.  
Place the subwoofers on the outside of each front speaker.  
A
B
y
If the subwoofer is placed directly facing the wall, the bass  
sound may lessen because the sound from the subwoofer  
and the sound reflected by the wall may cancel each other  
out. To prevent this from happening, face the subwoofer  
obliquely to the wall ( A or B ).  
6 En  
 
 
CONNECTIONS  
See pages 7 - 8 when your amplifier has subwoofer (line out) terminal(s), or see pages 9 - 11 when your amplifier has no  
subwoofer (line out) terminal.  
Notes  
• Do not connect the power cord of this unit and other components into an AC outlet until all connections between  
components are completed.  
• Be sure to connect the left channel (L), right channel (R), “+” (red) and “–” (black) properly. Also, refer to the owner’s  
manual of your component to be connected to this unit.  
• The connection methods or the names of the terminals may differ depending on the component. Refer to the owner’s  
manual of your component as well.  
1
Connecting to the amplifier equipped with subwoofer (line out) terminal(s)  
When your amplifier has a one-channel subwoofer terminal  
L
Connect the subwoofer (or low pass etc.) terminal of your amplifier to the INPUT 3 ( /MONO) terminal of this unit  
using a commercially available mono pin cable.  
Mono pin cable (not included)  
OUTPUT  
TO SPEAKERS  
L
L
MONO  
L
R
R
R
INPUT  
3
INPUT  
2
Amplifier  
Subwoofer  
R
L
FROM AMPLIFIER  
INPUT 1  
When your amplifier has two-channel subwoofer terminals  
Using one subwoofer  
L
Connect the “L” side subwoofer terminal of your amplifier to the INPUT 3 ( /MONO) terminal of this unit and “R” side  
subwoofer terminal of your amplifier to the INPUT 3 ( ) terminal of this unit using a commercially available audio pin  
R
cable.  
Notes  
• Some amplifiers have line output terminals labeled PRE OUT. When you connect this unit to the PRE OUT terminals  
of the amplifier, make sure that the amplifier has at least two sets of PRE OUT terminals. If the amplifier has only one  
set of PRE OUT terminals, do not connect this unit to the PRE OUT terminals. Instead, connect this unit to the speaker  
terminals of the amplifier (see pages 9 - 10).  
L
• When connecting to a monaural line output terminal of the amplifier, connect the INPUT 3 ( /MONO) terminal.  
• When connecting to line output terminals of the amplifier, other speakers should not be connected to the OUTPUT  
terminals on the rear panel of this unit. If connected, they will not produce sound.  
OUTPUT  
TO SPEAKERS  
L
L
MONO  
L
R
Audio pin  
cable  
(not included)  
R
R
INPUT  
3
INPUT  
2
Subwoofer  
R
L
FROM AMPLIFIER  
INPUT 1  
Amplifier  
7 En  
 
   
CONNECTIONS  
Using two subwoofers  
Connect the “R” side subwoofer terminal of your amplifier to the INPUT 3 ( ) terminal on this unit using a commercially  
R
L
available mono pin cable, and connect the “L” side subwoofer terminal of your amplifier to the INPUT 3 ( /MONO)  
terminal of this unit using a commercially available mono pin cable.  
OUTPUT  
OUTPUT  
TO SPEAKERS  
TO SPEAKERS  
L
L
L
L
MONO  
MONO  
L
R
L
R
R
R
R
R
INPUT  
3
INPUT  
2
INPUT  
3
INPUT  
2
Mono pin cable  
(not included)  
R
L
R
FROM AMPLIFIER  
INPUT 1  
L
FROM AMPLIFIER  
INPUT 1  
Subwoofer  
Subwoofer  
Amplifier  
Connecting to an amplifier equipped with a high cut function  
If your amplifier can cut off high frequencies from the signals for sending to the subwoofer, connect  
the amplifier to the INPUT 2 (LFE) terminal of this unit. This brings you higher sound quality  
because the signal routing in this unit is shortened by bypassing the built-in HIGH CUT (high cut)  
circuit.  
L
L
MONO  
R
R
R
INPUT  
3
INPUT  
2
R
8 En  
 
 
CONNECTIONS  
2
Connecting to an amplifier not equipped with a subwoofer (line out) terminal  
Connect an amplifier (and front speakers) to this unit using commercially available speaker cables. Refer to the following  
instructions to make connections.  
Connecting to the speaker cable  
Banana plug connection  
1
2
10 mm  
(3/8”)  
1
2
4
1 Tighten the knob.  
3
2 Insert the banana plug connecter into the  
end of the corresponding terminal.  
5
1 Remove approximately 10 mm (3/8”) of  
insulation from each of the speaker cables.  
2 Twist the exposed wires of the cable  
together to prevent short circuits.  
3 Turn the knob counterclockwise to loosen.  
4 Insert the bare wire into the hole in the side  
of each terminal.  
5 Turn the knob clockwise to tighten.  
6 Test the firmness of the connection by  
pulling gently on the cable at the terminal.  
Notes  
• Do not let the bare speaker wires touch each other,  
because this could damage this unit or the amplifier,  
or both of them.  
• For connection, keep the speaker cables as short as  
possible. Do not bundle or roll up the excess part of the  
cables. If the connections are faulty, no sound will be  
heard from this unit or the speakers, or both of them.  
• Make sure that the + and – polarity markings of the  
speaker terminals are observed and set correctly. If these  
cables are reversed, the sound will be unnatural and lack  
bass.  
• Do not insert the insulation into the hole. The sound may  
not be produced.  
9 En  
 
 
CONNECTIONS  
When your amplifier has one set of front speaker terminals  
Connect the speaker terminals of the amplifier to the INPUT 1 terminals of this unit, and connect the OUTPUT terminals  
of this unit to the front speakers using a commercially available speaker cable.  
y
Connecting front speakers via this unit does not affect the sound quality.  
Using one subwoofer  
Front speaker (R)  
Front speaker (L)  
OUTPUT  
TO SPEAKERS  
L
L
MONO  
L
R
R
R
INPUT  
3
INPUT  
2
R
L
FROM AMPLIFIER  
INPUT 1  
Amplifier  
Subwoofer  
Speaker terminals  
Using two subwoofers  
Front speaker (R)  
Front speaker (L)  
OUTPUT
TOSPEAKERS
OUTPUT  
TO SPEAKERS  
L
L
L
L
MONO
MONO  
L
L
R
R
R
R
R
R
I
N
P
U
T
I
N
P
U
T
INPUT  
3
INPUT  
2
3
2
R
L
R
L
FROMA  
U
M
T
P
LIFIER  
1
FROM AMPLIFIER  
INPUT 1  
I
N
P
Amplifier  
Subwoofer (L)  
Subwoofer (R)  
Speaker terminals  
10 En  
 
 
CONNECTIONS  
When your amplifier has two sets of front speaker terminals and both terminals can output  
sound signals simultaneously  
• Connect one set of front speaker terminals of the amplifier to the INPUT 1 terminals of this unit, and connect another  
set of front speaker terminals of the amplifier to the front speakers using commercially available speaker cables.  
• Set the amplifier so that both sets of front speaker terminals output sound signals simultaneously.  
Note  
When your amplifier cannot output sound signals simultaneously even if you connect in this way, follow “When your  
amplifier has one set of front speaker terminals” on page 10.  
Using one subwoofer  
Front speaker (L)  
Front speaker (R)  
OUTPUT  
TO SPEAKERS  
L
L
MONO  
L
R
R
R
INPUT  
3
INPUT  
2
R
L
FROM AMPLIFIER  
INPUT 1  
Subwoofer  
Speaker  
terminals  
Amplifier  
Using two subwoofers  
OUTPUT  
TO SPEAKERS  
OUTPUT  
TO SPEAKERS  
L
L
L
L
MONO  
MONO  
L
L
R
R
R
R
R
R
INPUT  
3
INPUT  
2
INPUT  
3
INPUT  
2
Subwoofer (R)  
Subwoofer (L)  
R
L
R
L
FROM AMPLIFIER  
INPUT 1  
FROM AMPLIFIER  
INPUT 1  
Front speaker (R)  
Front speaker (L)  
Speaker  
terminals  
Amplifier  
11 En  
 
 
CONNECTIONS  
Connecting to the ground terminal  
Connecting the power cable  
If this unit or the amplifier makes a hamming noise when  
connecting to the speaker terminals of your amplifier,  
connect both of the GND (ground) terminals on your  
amplifier and this unit using commercially available  
Plug the supplied power cable into the AC IN of this unit  
after all other connections are complete, and then plug the  
power cable to an AC outlet.  
grounding wire as shown in fig.  
.
A
POWER  
ON  
When your amplifier has no GND (ground) terminal,  
connect to the screw that fastens the top cover of your  
OFF  
amplifier as shown in fig.  
.
B
To the AC  
outlet  
OUTPUT  
L
MONO  
L
TO SPEAKERS  
R
L
Notes  
R
R
• Do not use other power cables. Use the provided cable.  
Use of other power cables may result in fire hazard or  
electrical shock.  
INPUT  
3
INPUT  
2
FOM AMPLIFIER  
L
• Do not plug the power cable into the AC outlet of your  
amplifier. Doing so may create distorted sounds or turn  
off the power of your amplifier.  
A
B
Note  
When connecting the GND (ground) terminal, make sure  
the power cables of the amplifier and this unit are not  
plugged into the AC outlet.  
12 En  
 
   
USING THIS UNIT  
Adjusting the sound balance  
Before using this unit, adjust the volume balance of this unit to obtain the optimum volume and tone balance between the  
front speakers and this unit by following the procedures below.  
Remote control  
Rear panel  
6 Press VOLUME  
to increase the volume  
gradually to adjust the volume balance  
POWER  
POWER STANDBY SLEEP  
between the front speaker and this unit.  
Normally, set the volume to a level where you can  
ON  
1
B.A.S.S.  
PHASE  
MEMORY  
OFF  
obtain a little more bass effect than when this unit is not  
PRESET  
2
1
3
used.  
y
1
VOLUME  
HIGH CUT  
2,6  
If you cannot obtain the desired response, repeat steps  
5 and 6.  
7 Press PHASE to select the regular or  
reverse mode.  
Normally, set it to the reverse mode. If you cannot  
obtain the desired response, set it to the regular mode.  
1 Set POWER switch on the rear panel of this  
unit to the ON position, and then press  
POWER to turn on this unit.  
8 Press B.A.S.S. to select a mode that is  
suitable for the source.  
The STANDBY/ON indicator lights up green.  
1: WIDE  
SUBW  
When a movie source is played, the low- frequency  
effects are enhanced so that you can enjoy more  
powerful sound.  
STANDBY  
/ON  
2: NORMAL  
When a music or movie etc. source is played, you can  
enjoy natural bass sounds.  
2 Press VOLUME  
to set the volume level of  
this unit to the minimum (0).  
3: NARROW  
3 Turn on the power of all other components.  
When an ordinary music source is played, the  
excessive low-frequency signals are cut off to make the  
sound clearer.  
4 Play back a source containing low-  
frequency components and adjust the  
volume level of your amplifier to the desired  
listening level.  
Set the tone control on your amplifier to the center  
position.  
5 Press HIGH CUT  
/
to adjust to the  
position where the desired response can be  
obtained.  
Normally, set the position to a level slightly higher  
than the minimum frequency of the front speaker.  
* To find out the minimum frequency of the front  
speaker, refer to the owner’s manual of the front  
speaker.  
13 En  
 
   
USING THIS UNIT  
Memory back-up  
Storing the sound balance settings  
Even if you turn off this unit by using the POWER switch  
on the rear panel, this unit recalls the last setting when the  
power is turned back on (Last memory function).  
You can store up to 3 sets of your favorite settings (volume,  
high-cut, phase and B.A.S.S. setting) in this unit.  
Note  
Remote control  
Front panel  
If the power is cut for more than one week, the setting is  
cleared.  
STANDBY/ON indicator  
SUBWOOFER SYSTEM Soavo-900SW  
POWER STANDBY SLEEP  
1
2
3
1
2
3
B.A.S.S.  
PHASE  
STANDBY  
/ON  
PHASE  
B.A.S.S.  
PRESET  
1
2
1
3
1
MEMORY  
Setting the sleep timer  
PRESET  
2
1
3
STANDBY  
/ON  
If you set the sleep timer, this unit automatically turns to  
the standby mode after 120 minutes.  
VOLUME  
H-CUT  
VOLUME  
HIGH CUT  
1
1
POWER STANDBY SLEEP  
SLEEP  
B.A.S.S.  
PHASE  
MEMORY  
PRESET  
2
1
3
VOLUME  
HIGH CUT  
Storing the setting  
In the following procedure, PRESET 1 is used as an  
example.  
1 Adjust the sound balance between the  
volume, high cut, phase and B.A.S.S. (see  
Press SLEEP.  
The color of the STANDBY/ON indicator changes to  
orange.  
2 Press MEMORY.  
The PRESET indicators on the front panel flash.  
SUBW  
-900SW  
STANDBY  
/ON  
3
1
2
3
PRESET  
Pressing SLEEP again cancels the sleep timer.  
3 Press PRESET 1.  
The PRESET 1 indicator lights up. The current setting  
is stored as PRESET 1.  
y
• In step 3, pressing a stored number overwrites the old  
setting.  
• While the VOLUME control or the H-CUT control is  
rotating by pressing a PRESET, pressing another  
PRESET is ineffective.  
Recalling a setting  
Press PRESET you want to recall (1, 2 or 3).  
14 En  
 
   
USING THIS UNIT  
Canceling  
Operating the power of this unit using  
the remote control of your amplifier  
1 Set POWER switch on the rear panel to the  
OFF position.  
* This function is available only for Yamaha amplifiers  
that meet the following conditions:  
– The amplifier was released in 2005 or later.  
– The remote control of the amplifier has two different  
buttons for STANDBY and ON.  
2 Set POWER switch to the ON position while  
pressing and holding STANDBY/ON switch  
on the front panel.  
Continue holding down STANDBY/ON  
switch for 3 seconds or longer.  
Note  
When the AMP ID library code of the remote control has  
been changed, this function may not work.  
Rear panel  
Front panel  
After the STANDBY/ON indicator flashes 2 times, the  
setting is completed.  
POWER  
SUBWOOFER SYSTEM Soavo-900SW  
1
2
3
1
2
3
ON  
STANDBY  
/ON  
PHASE  
B.A.S.S.  
PRESET  
SUBW  
OFF  
STANDBY  
/ON  
VOLUME  
H-CUT  
STANDBY  
/ON  
POWER switch  
STANDBY/ON switch  
Note  
Place this unit within the operating range of the remote  
control of the amplifier. If you place this unit far away from  
the amplifier, you may not be able to operate this unit with  
the remote control.  
Setting  
1 Set POWER switch on the rear panel to the  
OFF position.  
2 Set POWER switch to the ON position while  
pressing and holding STANDBY/ON switch  
on the front panel.  
Continue holding down STANDBY/ON  
switch for 3 seconds or longer.  
After the STANDBY/ON indicator flashes 4 times, the  
setting is completed.  
SUBW  
STANDBY  
/ON  
15 En  
 
 
USING THIS UNIT  
Frequency response  
Frequency response of this unit  
dB  
90  
80  
70  
60  
H-CUT 140 Hz  
50  
40  
20  
50  
100  
200  
500Hz  
Frequency response graph*  
The figures below show the optimum adjustment of each control and the frequency response when this subwoofer is  
combined with a typical front speaker system.  
EX.1 When combined with a 10 cm or 13 cm (3-15/16” or 5-2/16”) acoustic suspension, 2 way system  
front speakers  
If you are using Soavo-1 speakers as front speakers, use the following example as a reference when adjusting settings.  
dB  
90  
(H-CUT) (VOLUME)  
(PHASE)  
80  
70  
60  
Soavo-900SW (H-CUT 60 - 70 Hz)  
OOFER SYSTEM S  
1
PHASE  
VOLUME  
H-CUT  
Front  
reverse mode  
(Green)  
speaker  
50  
40  
20  
50  
100  
200  
500Hz  
Frequency response graph*  
EX.2 When combined with a 20 cm or 25 cm (7-14/16” or 9-13/16”) acoustic suspension, 2 way system  
front speakers  
dB  
(H-CUT) (VOLUME)  
(PHASE)  
90  
80  
70  
60  
OOFER SYSTEM S  
1
Soavo-900SW (H-CUT 50 - 60Hz)  
PHASE  
VOLUME  
H-CUT  
Front  
speaker  
reverse mode  
(Green)  
50  
40  
20  
50  
100  
200  
500Hz  
Frequency response graph*  
* These diagrams do not depict actual frequency response characteristics accurately.  
16 En  
 
 
Advanced Yamaha Active Servo Technology II  
In 1988, Yamaha brought to the speaker systems utilizing  
YST (Yamaha Active Servo Technology) to give powerful,  
high quality bass reproduction. This technology uses a  
direct connection between the amplifier and speaker,  
allowing accurate signal transmission and precise speaker  
control.  
Yamaha’s newly developed Advanced YST II adds many  
refinements to Yamaha Active Servo Technology,  
allowing better control of the forces driving the amplifier  
and speaker. From the amplifier’s point of view, the  
speaker impedance changes depending on the sound  
frequency. Yamaha developed a new circuit design  
combining negative-impedance and constant-current  
drives, which provides a more stable performance and  
clear bass reproduction without any murkiness.  
As this technology uses speaker units controlled by the  
negative impedance drive of the amplifier and resonance  
generated between the cabinet capacity volume and port, it  
creates more resonant energy (the “air woofer” concept)  
than the standard bass reflex method. This allows for bass  
reproduction from much smaller cabinets than was  
previously possible.  
Signals of low amplitude  
Advanced impedance Converter  
Cabinet  
Active  
Servo  
Processing  
Amplifier  
Signals  
High-amplitude  
Port  
bass sound  
Air woofer  
(Helmholtz resonator)  
17 En  
 
 
TROUBLESHOOTING  
Refer to the chart below when this unit does not function properly. If the problem you are experiencing is not listed below  
or if the instructions given below do not help, disconnect the power cord and contact your authorized Yamaha dealer or  
service center.  
Problem  
Cause  
Remedy  
Power is not supplied even though  
the STANDBY/ON switch is  
pressed.  
The power plug is not securely connected.  
Connect it securely.  
The POWER switch is set to the OFF  
position.  
Set the POWER switch to the ON  
position.  
No sound.  
The volume is set to the minimum (0).  
Speaker cables are not connected securely.  
The signals from the amplifier are too low.  
Raise the volume.  
Connect them securely.  
Increase the volume of the amplifier or the  
component connected to the amplifier.  
The signal from the subwoofer output  
terminal of the amplifier is not output.  
Check the speaker mode setting on the  
amplifier.  
Sound level is too low.  
Speaker cables are not connected correctly.  
Connect them correctly, that is L (left) to  
L, R (right) to R, “+” to “+” and  
“–” to “–”.  
Setting of the phase is not proper.  
Set the phase to the other position.  
A source sound with few bass frequencies is  
being played.  
Play a source sound with bass  
frequencies.  
Set the H-CUT to a higher position.  
It is influenced by standing waves.  
Wrong distance or angle.  
Reposition this unit or break up the  
parallel surface by placing bookshelves  
etc. along the walls.  
The remote control does not  
work.  
Use the remote control within a maximum  
range of 6 m and no more then 30 degrees  
off-axis from the front panel.  
Direct sunlight or lighting from an inverter  
type of fluorescent lamp etc. is striking the  
remote control sensor of this unit.  
Reposition this unit.  
The batteries are weak.  
Wrong distance or angle.  
Replace all batteries.  
This unit is not turned on with the  
remote control of the amplifier.  
(when setting “Operating the  
power of this unit using the  
remote control of your  
Place this unit within the operating range  
of the remote control of the amplifier.  
amplifier”)  
The household breaker goes off.  
This unit consumes much electricity when a  
high level signal is input to this unit.  
Turn down the volume on the amplifier  
etc. connected to this unit or cut off the  
power of other unused equipment.  
Notes  
• When an excessive level of signal is input to this unit for 5 to 15 minutes, the POWER indicator starts flashing to alarm  
you of the danger of damaging the power amplifier and speaker of this unit. If the signal input lasts for 5 minutes more,  
this unit turns into the standby mode automatically.  
• When an enormous amount of signal is input, the power of this unit is turned off immediately. To turn on this unit again,  
press STANDBY/ON switch on the front panel.  
18 En  
 
 
SPECIFICATIONS  
Type .... Advanced Yamaha Active Servo Technology II  
Power Consumption ........................................... 180 W  
Driver ...................................... 25 cm (10”) cone woofer  
Standby Power Consumption ............................. 0.5 W  
Magnetic shielding type  
Dimensions (W x H x D)  
Amplifier Output (100 Hz, 4 ohms, 10% T.H.D)  
............................................................................... 600 W  
.......................................... 410 mm x 457 mm x 462 mm  
(16-1/8” x 17” x 18-3/16”)  
Frequency Response ............................. 18 Hz - 160 Hz  
Weight ............................................. 32 kg (70 lbs. 9 oz.)  
Power Supply  
Please note that all specifications are subject to change  
without notice.  
U.S.A. and Canada models ............. AC 120 V, 60 Hz  
U.K. and Europe models ................ AC 230 V, 50 Hz  
Australia model .............................. AC 240 V, 50 Hz  
Asia and General models  
....................... AC 110/120/220/230-240 V, 50/60 Hz  
Korea model ................................... AC 220 V, 60 Hz  
China model ................................... AC 220 V, 50 Hz  
19 En  
 
 
©2006  
All rights reserved.  
YAMAHA ELECTRONICS CORPORATION, USA 6660 ORANGETHORPE AVE., BUENA PARK, CALIF. 90620, U.S.A.  
YAMAHA CANADA MUSIC LTD. 135 MILNER AVE., SCARBOROUGH, ONTARIO M1S 3R1, CANADA  
YAMAHA ELECTRONIK EUROPA G.m.b.H. SIEMENSSTR. 22-34, 25462 RELLINGEN BEI HAMBURG, GERMANY  
YAMAHA ELECTRONIQUE FRANCE S.A. RUE AMBROISE CROIZAT BP70 CROISSY-BEAUBOURG 77312 MARNE-LA-VALLEE CEDEX02, FRANCE  
YAMAHA ELECTRONICS (UK) LTD. YAMAHA HOUSE, 200 RICKMANSWORTH ROAD WATFORD, HERTS WD18 7GQ, ENGLAND  
YAMAHA SCANDINAVIA A.B.  
J
A
WETTERGRENS GATA 1, BOX 30053, 400 43 VÄSTRA FRÖLUNDA, SWEDEN  
YAMAHA MUSIC AUSTRALIA PTY, LTD. 17-33 MARKET ST., SOUTH MELBOURNE, 3205 VIC., AUSTRALIA  
Printed in Indonesia  
WH59770  
 

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