Yamaha YST-SW1500 Omistajan opas

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, F.R. OF 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 WD1 7JS, 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

V997110

YST-SW1500

Subwoofer System

Enceinte a caisson de grave

OWNER’S MANUAL

MODE D’EMPLOI

BEDIENUNGSANLEITUNG

BRUKSANVISNING

MANUALE DI ISTRUZIONI

MANUAL DE INSTRUCCIONES

GEBRUIKSAANWIJZING

G

SW1500-H14(G)6mm-d 02.9.3, 9:21 AM1

CHECKING THE ACCESSORIES ● Check your package to make sure it contains the following items.

VÉRIFICATION DES ACCESSOIRES

●

Contrôlez le contenu de l’emballage et assurez-vous qu’il contient les accessoires suivants.

ÜBERPRÜFEN DES ZUBEHÖRS ●

Überprüfen Sie den Inhalt der Verpackung, damit sichergestellt ist, daß die folgenden Artikel vorhanden sind.

KONTROLL AV TILLBEHÖREN ● Kontrollera att följande saker finns med i förpackningen.

CONTROLLO DEGLI ACCESSORI ● Controllare che nella confezione siano presenti gli oggetti seguenti.

COMPROBACIÓN DE LOS ACCESORIOS

●

Compruebe el paquete para asegurarse de que tiene los componentes siguientes.

CONTROLEREN VAN DE TOEBEHOREN

● Controleer de doos en kijk of de volgende toebehoren inderdaad aanwezig zijn.

● Remote control

● Télécommande

● Fernbedienung

● Fjärrkontroll

● Telecomando

● Control remoto

● Afstandbediening

● Batteries (size AA, UM-3, R6)

● Piles (format AA, UM-3, R6)

● Batterien (Größe AA, UM-3, R6)

● Batterier (Storl. AA, UM-3, R6)

●

Batterie (dimensioni AA, o

UM-3

, o R6)

● Pilas (tamaño AA, tipo UM-3, R6)

● Batterijen (maat AA, UM-3, R6)

● Grounding cable

● Câble de mise à la masse

● Erdungskabel

● Jordningskabel

● Cavo di massa

● Cable de tierra

● Aardingskabel

● Power cable (U.S.A., Canada, Europe and Korean models only)

● Cordon d’alimentation (Modèles pour les Etats-Unis, le Canada, l’Europe et la Corée seulement)

● Netzkabel (Nur USA, Kanada, Europa und koreanische Modelle)

● Nätkabel (Endast modeller för USA, Kanada, Europa och Korea)

● Cavo d’alimentazione (Solo per i modelli per USA, Canada, Europa e Corea)

● Cable de alimentación (Sólo en modelos para EE.UU., Canadá, Europa y Corea)

● Netsnoer (Alleen modellen voor de U.S.A., Canada, Europa en Korea)

(U.S.A. and Canada models)

(Modèles pour les Etats-Unis et le Canada)

(USA und Kanada Modelle)

(Modeller för USA och Kanada)

(Modelli per USA e Canada)

(Modelos para EE.UU. y Canadá)

(Modellen voor de U.S.A. en Canada)

(Europe and Korean models)

(Modèles pour l’Europe et la Corée)

(Europa und koreanische Modelle)

(Modeller för Europa och Korea)

(Modelli per Europa e Corea)

(Modelos para Europa y Corea)

(Modellen voor Europa en Korea)

1-SW1500_G_pre.p65 2003.02.20, 14:081

English

E-1

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.

● 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). To prevent fire or electrical

shock, do not expose this unit to rain or water.

● 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.

● 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 equipment. Never

pull the wires themselves.

● When not planning to use this unit for a long period (i.e.

vacation, etc.), disconnect the AC power plug from the

wall outlet.

● To prevent lightning damage, disconnect the AC power

plug when there is an electric storm.

● Since this unit has a built-in power amplifier, heat will

radiate from the rear panel. Place the unit apart from the

walls, allowing enough spaces 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.

Be sure to allow spaces of at least 20 cm above, behind

and on both sides of the unit.

● 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.

●

Do not place small metallic objects on this unit.

Otherwise, the object may fall, possibly causing an injury.

● Do not place the following objects on this unit:

Glass, china, etc.

If glass etc. falls by vibrations and breaks, it may cause

personal injury.

A burning candle etc.

If the candle falls by vibrations, it may cause fire and

personal injury.

A vessel with water in it

If the vessel falls by vibrations and water spills, it may

cause damage to the unit, and/or you may get an

electric shock.

● 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.

● 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.

● Never put a hand or a foreign object into the YST port

located on the front of this unit. When moving this unit,

do not hold the port as it might cause personal injury

and/or damage to this unit.

● 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.

●

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.

● 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.

● This unit may be damaged if certain sounds are

continuously outputted 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 outputted, or when the stylus of a turntable

touches the surface of a disc, reduce the volume level to

prevent this unit from being damaged.

● 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.

● Vibration generated by super-bass frequencies may

distort images on a TV. In such a case, move this unit

away from the TV set.

● Do not attempt to clean this unit with chemical solvents

as this might damage the finish. Use a clean, dry cloth.

● Be sure to read the “TROUBLESHOOTING” section

regarding common operating errors before concluding

that the unit is faulty.

● 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.

Standby mode

When this unit is turned off by pressing the STANDBY/ON

button on the front panel, this unit consumes a small

amount of power. This state is called the standby mode.

This unit’s power supply is completely cut off from the AC

line only when the POWER switch is set in the OFF

position or the AC power cable is disconnected.

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.

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.

CAUTION: Read this before operating your unit.

Thank you for selecting this YAMAHA Subwoofer System.

2-SW1500(E) (02.9.2)a 02.9.3, 9:29 AM1

E-2

CONTENTS

CHECKING THE ACCESSORIES

.....................................

Inside of Front Cover

CAUTION .................................................. 1

FEATURES ............................................... 2

PLACEMENT ............................................ 3

CONNECTIONS....................................... 4

Connecting to line output (pin jack)

terminals of the amplifier ....................... 4

Connecting to speaker output terminals

of the amplifier ....................................... 6

Connecting to H.P.F. OUTPUT terminals

............................................................... 8

Ground connection ............................... 10

Connecting the AC power cable ........... 11

NOTES ABOUT THE REMOTE

CONTROL ............................................. 11

CONTROLS AND THEIR

FUNCTIONS .......................................... 12

AUTOMATIC POWER-SWITCHING

FUNCTION............................................. 14

ADJUSTING THE SUBWOOFER

BEFORE USE ........................................ 15

Storing preset data of the VOLUME

control etc. ............................................ 16

Frequency characteristics.................... 17

ADVANCED YAMAHA ACTIVE

SERVO TECHNOLOGY ......................... 18

TROUBLESHOOTING ............................19

SPECIFICATIONS ................................. 20

FEATURES

● This subwoofer system employs Advanced

YAMAHA Active Servo Technology which YAMAHA

has developed for reproducing higher quality

super-bass sound. (Refer to page 18 for details on

Advanced YAMAHA Active Servo Technology.) This

super-bass sound adds a more realistic, theater-in-

the-home effect to your stereo system.

● This subwoofer 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.

● For the effective use of the subwoofer, the

subwoofer’s super-bass sound should be matched

to the sounds of your main speakers. You can

create the best sound quality for various listening

conditions by using the HIGH CUT control and the

PHASE button.

● You can make setting changes and adjustments for

the subwoofer by using the remote control without

moving from your listening position.

● The Automatic power-switching function saves you

the trouble of pressing the STANDBY/ON button to

turn the power on and off.

● You can select bass effect suitable for the source

by using the B.A.S.S. button.

● The use of the H.P.F. OUTPUT terminals for

connecting with the amplifier is effective for

improving sound quality of your speaker system.

This connection prevents sound output from the

main speakers from muddying by filtering out low

frequencies of input signals to be sent to the main

speakers which are not suitable for reproducing

low frequencies.

QD-Bass Technology

QD-Bass (Quatre Dispersion Bass) technology uses

square, pyramid-shaped reflective plates to radiate the

sound in four horizontal directions.

2-SW1500(E) (02.9.2)a 02.9.3, 9:29 AM2

English

E-3

PLACEMENT

One subwoofer will have a good effect on your audio

system, however, the use of two subwoofers is

recommended to obtain more effect.

If using one subwoofer, it is recommended to place it on the

outside of either the right or the left main speaker. (See fig.

Å.) If using two subwoofers, it is recommended to place

them on the outside of each main speaker. (See fig. ı.)

The placement shown in fig. Ç is also possible, however, if

the subwoofer system is placed directly facing the wall, the

bass effect may die because the sound from it and the

sound reflected by the wall may cancel out each other. To

prevent this from happening, face the subwoofer system at

an angle as in fig. Å or ı.

Note

There may be a case that you cannot obtain enough super-

bass sounds from the subwoofer when listening in the

center of the room. This is because “standing waves” have

been developed between two parallel walls and they cancel

the bass sounds.

In such a case, face the subwoofer obliquely to the wall. It

also may be necessary to break up the parallel surfaces by

placing bookshelves etc. along the walls.

( : subwoofer, : main speaker)

Çı

Å

2-SW1500_G_E.p65 2003.02.20, 11:503

E-4

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

SPLIT SUBWOOFER

SUBWOOFER

(LOW PASS)

AC IN

ON

POWER

OFF

HIGH

LOW

OFF

AUTO

STANDBY

OUTPUT

INPUT

REMOTE

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

CONNECTIONS

Caution: Plug in the subwoofer and other audio/video components after all connections are

completed.

● All connections must be correct, that is to say L (left) to L, R (right) to R, “+” to “+” and “–” to “–”. Also refer to the owner’s

manual for each of your components.

● The subwoofer can be connected to either the line output (pin jack) terminals or the speaker output terminals of the amplifier.

Choose one of the ways shown in this section that is more suitable for your audio system. Also, refer to the owner’s manual

of your component to be connected to the subwoofer.

Basically, connect the subwoofer to the line output (pin jack) terminal(s) of the amplifier. (Refer to pages 4 and 5 for details.)

If your amplifier does not have any line output terminal, connect the subwoofer to the speaker output terminals of the

amplifier. (Refer to pages 6 and 7 for details.)

Subwoofer

Amplifier

● To connect with a YAMAHA DSP amplifier (or AV

receiver), connect the SUBWOOFER (or LOW PASS etc.)

terminal on the rear of the DSP amplifier (or AV receiver)

to the L/MONO INPUT2 terminal of the subwoofer.

Connect the main speakers to the speaker output terminals of the amplifier.

● When connecting the subwoofer to the SPLIT

SUBWOOFER terminals on the rear of the DSP amplifier,

be sure to connect the L/MONO INPUT2 terminal to the

“L” side and the R INPUT2 terminal to the “R” side of the

SPLIT SUBWOOFER terminals.

Audio pin cable

(not included)

Connecting to line output (pin jack) terminals of the amplifier

 Using one subwoofer

Left main speaker

Right main speaker

Mono pin cable

(not included)

2-SW1500(E) (02.9.2)a 02.9.3, 9:29 AM4

English

E-5

AC IN

ON

POWER

OFF

HIGH

LOW

OFF

AUTO

STANDBY

OUTPUT

INPUT

REMOTE

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

AC IN

ON

POWER

OFF

HIGH

LOW

OFF

AUTO

STANDBY

OUTPUT

INPUT

REMOTE

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

SPLIT SUBWOOFER

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

 Using two subwoofers

Notes

● Some amplifiers have line output terminals labelled PRE

OUT. When you connect the subwoofer 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 the subwoofer to the PRE OUT terminals.

Instead, connect the subwoofer to the speaker output

terminals of the amplifier. (Refer to pages 6 and 7.)

● When connecting to a monaural line output terminal of

the amplifier, connect the L/MONO INPUT2 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 the subwoofer. If

connected, they will not produce sound.

Right

subwoofer

Amplifier

Mono pin cables

(not included)

Left main speaker

Right main speaker

Left

subwoofer

 Connecting to the LFE (INPUT3) terminal(s)

If your amplifier can cut off high frequencies from the signals for sending to the

subwoofer, connect the amplifier to the subwoofer’s LFE (INPUT3) terminal(s). This

will bring you higher sound quality because the signal routing in the subwoofer is

shortened bypassing the built-in HIGH CUT circuit.

F

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

2-SW1500(E) (02.9.2)a 02.9.3, 9:29 AM5

E-6

AC IN

ON

POWER

OFF

HIGH

LOW

OFF

AUTO

STANDBY

OUTPUT

INPUT

REMOTE

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

Connecting to speaker output terminals of the amplifier

 Using one subwoofer

If your amplifier has only one set of main speaker output terminals

Connect the speaker output terminals of the amplifier to the INPUT1 terminals of the subwoofer, and connect the OUTPUT

terminals of the subwoofer to the main speakers.

Left main speakerRight main speaker

Subwoofer

Amplifier

Speaker output

terminals

If your amplifier has two sets of speaker output terminals

AB

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

AC IN

ON

POWER

OFF

HIGH

LOW

OFF

AUTO

STANDBY

OUTPUT

INPUT

REMOTE

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

Left main speaker

Right main speaker

Speaker output

terminals

Subwoofer

Amplifier

(Both A and B speaker outputs must be ON.)

2-SW1500(E) (02.9.2)a 02.9.3, 9:29 AM6

English

E-7

 Using two subwoofers

Connect the speaker output terminals of the amplifier to the INPUT1 terminals of the subwoofer, and connect the OUTPUT

terminals of the subwoofer to the main speakers.

AC IN

ON

POWER

OFF

HIGH

LOW

OFF

AUTO

STANDBY

OUTPUT

INPUT

REMOTE

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

AC IN

ON

POWER

OFF

HIGH

LOW

OFF

AUTO

STANDBY

OUTPUT

INPUT

REMOTE

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

Left main speakerRight main speaker

Amplifier

Speaker output terminals

Caution

Do not let the bare speaker wires touch each other as

this could damage the subwoofer or the amplifier, or

both of them.

<U.S.A., Canada, Australia and Korean models only>

Banana Plug connections are also possible.

1Tighten the terminal knob.

2Simply insert the Banana Plug connector into the

terminal.

Connecting to the INPUT1/OUTPUT terminals of the subwoofer

For connections, 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 the subwoofer or the speakers, or both of them. Make

sure that the + and – polarity markings of the speaker

cables are observed and set correctly. If these cables are

reversed, the sound will be unnatural and lack bass.

How to Connect:

Red: positive (+)

Black: negative (–)

1 Loosen the knob.

2 Insert the bare wire.

[Remove approx.

10 mm (3/8”)

insulation from the

speaker wires.]

3 Tighten the knob and

secure the wire.

1

2

3

1

2

Right

subwoofer

Left

subwoofer

2-SW1500(E) (02.9.2)a 02.9.3, 9:29 AM7

E-8

MAIN INPRE OUT

AC IN

ON

POWER

OFF

HIGH

LOW

OFF

AUTO

STANDBY

OUTPUT

INPUT

REMOTE

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

Connecting to H.P.F. OUTPUT terminals

The use of the H.P.F. OUTPUT terminals for connections with the amplifier will improve sound quality of your speaker system.

The H.P.F. (High-Pass Filter) OUTPUT terminals of the subwoofer cut off frequencies below the selected frequency point from

the input signals, and output high frequencies only. By connecting this terminal with the MAIN IN terminals of the amplifier, the

main speakers reproduce high frequencies only.

This will make the whole sound quality clear by preventing sound muddying between the main speakers and the subwoofer.

* This connection can be made if your amplifier has PRE OUT and MAIN IN terminals or you are using separate amplifiers

(pre-amplifier and main amplifier).

 To connect one unit only

Left main speaker

Right main speaker

Audio pin cable

(not included)

Amplifier

Subwoofer

Audio pin cable

(not included)

2-SW1500(E) (02.9.2)a 02.9.3, 9:29 AM8

English

E-9

MAIN INPRE OUT

AC IN

ON

POWER

OFF

HIGH

LOW

OFF

AUTO

STANDBY

OUTPUT

INPUT

REMOTE

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

AC IN

ON

POWER

OFF

HIGH

LOW

OFF

AUTO

STANDBY

OUTPUT

INPUT

REMOTE

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

 To connect two units

After the connection is made, select the desired frequency

point (80 Hz or 100 Hz) with the H.P.F. OUTPUT switch.

(Normally, it is recommended to select the frequency point

nearer to the main speakers’ minimum reproduceable

frequency.)

Frequencies higher than the selected frequency are output

from the H.P.F. OUTPUT terminals.

Switching the H.P.F. OUTPUT switch

100Hz80Hz

GND

H.P.F.OUTPUT

Right main speaker

Amplifier

Mono pin cables

(not included)

Right

subwoofer

Left

subwoofer

Left main speaker

2-SW1500(E) (02.9.2)a 02.9.3, 9:29 AM9

E-10

Ground connection

AC IN

ON

POWER

OFF

HIGH

LOW

OFF

AUTO

STANDBY

OUTPUT

INPUT

REMOTE

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

DIGITAL OUTPUT AUDIO

DIGITAL INPUT 6CH INPUT

MD/

TAPE

CD-R

CD

DVD

SIGNAL

GND

D-TV

/LD

OPTICAL

COAXIAL

CD

IN

(PLAY)

R

MD/TAPE

CBL

/SAT

OUT

(REC)

CD

PHONO

MAIN

CENTER

SUB

WOOFER

SURROUND

IN

(PLAY)

CD-R

OUT

(REC)

L R

RS-

232C

COAXIAL:

SELECT BY SETMENU

LD

RF

(AC-3)

PRE

OUT

MAIN

IN

AUDIO SIGNAL

TUNER

PHONO

CD/DVD

IN

(PLAY)

IN

(PLAY)

TAP E

OUT

(REC)

OUT

(REC)

MD

AUX

R L

2

3

4

1

3

R L

Tighten

Insert

Subwoofer

Metal part

If there is a humming noise when using the subwoofer connected to the speaker terminals, connect the subwoofer and the

receiver/amplifier with the grounding cable as shown in Illustration A.

* If there is no ground terminal (GND) on the receiver/amplifier side, connect the cable to a screw that fastens the top cover of

the receiver/amplifier to the rear panel as shown in Illustration B.

Receiver/amplifier

Grounding cable

2-SW1500(E) (02.9.2)a 02.9.3, 9:29 AM10

English

E-11

Battery replacement

If you find that the remote control must be used closer to

the main unit, the batteries are weak. Replace both

batteries with new ones.

Notes

● Use only AA, R6, UM-3 batteries for replacement.

● Be sure the polarities are correct. (See the illustration

inside the battery compartment.)

● Remove the batteries if the remote control will not be

used for an extended period of time.

● If batteries leak, dispose of them immediately. Avoid

touching the leaked material or letting it come in contact

with clothing, etc. Clean the battery compartment

thoroughly before installing new batteries.

Notes

● There should be no large obstacles between the remote

control and the main unit.

● If the remote control sensor is directly illuminated by

strong lighting (especially an inverter type of fluorescent

lamp etc.), it might cause the remote control not to work

correctly. In this case, reposition the main unit to avoid

direct lighting.

3

1

2

Battery installation

Remote control operation range

30°

Remote control

sensor

Within approximately

6 m (20 feet)

NOTES ABOUT THE REMOTE CONTROL

Connecting the AC power cable

<U.S.A., Canada, Europe and Korean models>

When all connections are completed, plug the included

power cable into the AC IN socket of the subwoofer, and

then plug in the power cable to the wall outlet.

Notes

● Never connect any power cable other than the included

one to the subwoofer. Otherwise, it may result in causing

fire or an electrical shock.

● Do not connect the included power cable to any other unit

than this subwoofer.

<U.K. and Australia models>

Plug in the subwoofer to the wall outlet.

AC IN

ON

POWER

OFF

AC IN

ON

POWER

OFF

(U.S.A. model)

(U.K. model)

To AC outlet

2-SW1500(E) (02.9.2)a 02.9.3, 9:29 AM11

E-12

1 STANDBY/ON button

Press this button to turn on the power. Press again to

set the subwoofer in the standby mode.

* This button can be used only when the POWER

(A) switch is set in the ON position.

Standby mode

The subwoofer is still using a small amount of power

in this mode.

2 B.A.S.S. switch

MUSIC/MOVIE button

By pressing this switch to select the MOVIE mode, the

bass sound in video software is faithfully reproduced.

By pressing this switch to select the MUSIC mode, the

bass sound in audio software is well reproduced.

3 HIGH CUT control

HIGH CUT UP/DOWN buttons

Select the upper limit of the frequencies to be

reproduced by the subwoofer.

To adjust the control on the front panel, put a coin, etc.

in the groove on the control and turn it.

CONTROLS AND THEIR FUNCTIONS

AC IN

ON

POWER

OFF

HIGH

LOW

OFF

AUTO

STANDBY

OUTPUT

INPUT

REMOTE

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

SUBWOOFER SYSTEM YST-SW1500

MUSIC/MOVIE PHASE

VOLUMEHIGH CUTB.A.S.S.STANDBY/ON

1

1014Hz40Hz 0

PRESET

2

3

SUBWOOFER SYSTEM YST-SW1500

MUSIC/MOVIE PHASE

VOLUMEHIGH CUTB.A.S.S.STANDBY/ON

1

10140Hz40Hz 0

PRESET

2

3

HIGH

LOW

OFF

AUTO

STANDBY

OUTPUT

INPUT

REMOTE

OUTPUT

TO SPEAKERS

INPUT

1

FROM AMPLIFIER

100Hz80Hz

/MONO

NORMAL

INPUT

2

INPUT

3

LFE

GND

H.P.F.OUTPUT

AC IN

ON

POWER

OFF

5789

2

t

o

yu i

re

4

6

13

q0

w

Rear panel

Front panel

p2

1

a

4

3

Remote control

2-SW1500(E) (02.9.2)a 02.9.3, 9:29 AM12

English

E-13

4

VOLUME control

VOLUME UP/DOWN buttons

Adjust the volume level. Turn the control clockwise or

press the UP button to increase the volume.

Turn the control counterclockwise or press the DOWN

button to decrease the volume.

To adjust the control on the front panel, put a coin, etc.

in the groove on the control and turn it.

5 Remote control sensor

Receives signals from the remote control.

6 Power indicator (LED)

Lights up in green while the subwoofer is turned on.

Lights up in red when the subwoofer is turned into the

standby mode by the automatic power-switching

function.

7 MUSIC/MOVIE indicator (LED)

Lights up in red when the MUSIC mode is selected,

and in green when the MOVIE mode is selected.

8 PHASE indicator (LED)

Lights up in red when the PHASE button (J) is set in

the regular mode, and in green when it is set in the

reverse mode.

9 PRESET 1/2/3 indicators (LED)

Show which PRESET number (1, 2 or 3) is selected.

(If the subwoofer is turned into the standby mode when

one of these indicators are illuminated, no indicator will

light up next time the subwoofer is turned on.)

0 AC IN

<U.S.A., Canada, Europe and Korean models only>

Plug the included power cable into this socket. Never

connect a power cable other than the included one to

this socket. Also, never connect the included power

cable to another unit.

A POWER switch

Normally, set this switch to the ON position to use the

subwoofer. In this state, you can turn on the subwoofer

or turn the subwoofer into the standby mode by

pressing the STANDBY/ON (1) button. Set this switch

to the OFF position to completely cut off the

subwoofer’s power supply from the AC line.

B REMOTE terminals

These terminals are used for custom installation

system. When the subwoofer is connected to the

components for custom installation system, you can

operate the subwoofer with the system remote control.

C AUTO STANDBY (HIGH/LOW/OFF) switch

This switch is originally set to the OFF position. By

setting this switch to the HIGH or LOW position, the

subwoofer’s automatic power-switching function

operates as described on page 14. If you do not need

this function, leave this switch in the OFF position.

D GND terminal

Connecting this terminal to ground (GND) terminal of

the receiver/amplifier can reduce a humming noise.

(See page 10.)

E H.P.F. (High Pass Filter) OUTPUT switch

Selects the upper limit of the frequencies to be cut off

from the signals outputted at the H.P.F. OUTPUT

terminals. Use this switch only when the H.P.F.

OUTPUT terminals are used for connecting with the

amplifier. (See page 8 for details)

H.P.F. OUTPUT terminals

These terminals cut off frequencies below the

frequency point selected by the H.P.F. OUTPUT switch

from the input signals and output higher frequencies.

F INPUT3 (LFE) terminals

The HIGH CUT control (3) has no effect on the signals

inputted to these terminals. (See page 5 for details)

G INPUT2 terminals

Used to input line level signals from the amplifier.

(Refer to “CONNECTIONS” for details.)

H OUTPUT (TO SPEAKERS) terminals

Can be used for connecting to the main speakers.

Signals are sent directly from the amplifier to the main

speakers by way of these terminals.

(Refer to “CONNECTIONS” for details.)

I INPUT1 (FROM AMPLIFIER) terminals

Used to connect the subwoofer with the speaker

terminals of the amplifier.

(Refer to “CONNECTIONS” for details.)

J PHASE button

Normally press this button to select the reverse mode.

However, according to your speaker systems or the

listening condition, there may be a case when better

sound quality is obtained by selecting the regular

mode. Select the better mode by monitoring the sound.

In the reverse mode, the PHASE indicator on the front

panel lights up in green, and in the regular mode, it

lights up in red.

K MEMORY button/PRESET buttons

Used to store and recall the data for the B.A.S.S.

[MUSIC/MOVIE] (2), the VOLUME [VOLUME UP/

DOWN] (4), the HIGH CUT [HIGH CUT UP/DOWN]

(3) and the PHASE (J) adjustments. (See page 16.)

2-SW1500(E) (02.9.2)a 02.9.3, 9:29 AM13

E-14

If the source being played is stopped and the input signal is

cut off for 7 to 8 minutes, the subwoofer automatically

switches to the standby mode. (When the subwoofer

switches to the standby mode by the automatic power-

switching function, the power indicator lights up in red.)

When you play a source again, the power of the subwoofer

turns on automatically by sensing audio signals input to the

subwoofer.

This function operates by sensing a certain level of low

frequency input signal. Usually set the AUTO STANDBY

switch to the LOW position. However, if the power is not

switched to ON or STANDBY smoothly, set the switch to the

HIGH position. In the HIGH position, the power will turn on

even with a low level of input signal. But please be aware

that the subwoofer may not switch to the standby mode

when there is an extremely low input signal.

* The power might turn on unexpectedly by sensing noise

from other appliances. If that occurs, set the AUTO

STANDBY switch to the OFF position.

* This function detects the low-frequency components

below 200 Hz of the input signals (i.e., the explosion in

the action movie, the sound of the bass guitar or the bass

drum, etc.).

* The minutes required to switch the subwoofer to the

standby mode might change by sensing noise from other

appliances.

This function is available only when the power of the

subwoofer is on (by setting the STANDBY/ON button to

“ON”).

This function will not work if the subwoofer is turned

into the standby mode by using the STANDBY/ON

button. (The power indicator on the front panel goes

off.)

AUTOMATIC POWER-SWITCHING FUNCTION

2-SW1500(E) (02.9.2)a 02.9.3, 9:29 AM14

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E-15

1 Set the volume level on the amplifier to

minimum, and turn on the amplifier and

other components.

2 Turn the VOLUME control to set the control

to minimum (0).

3 Make sure that the POWER switch on the

rear panel is set to the ON position, then

press the STANDBY/ON button to turn on

the subwoofer.

* The power indicator lights up in green.

4 Play a source containing low-frequency

components and adjust the amplifier’s

volume control to the desired listening level.

5 Turn the HIGH CUT control (or press the

HIGH CUT UP/DOWN buttons on the

remote control) to set the control to the

position where the desired response can be

obtained.

Normally, set the control to the main speaker’s rated

minimum reproducible frequency*.

* The main speaker’s rated minimum reproducible

frequency can be looked up in the speakers’ catalog

or owner’s manual.

6 Increase the volume gradually to adjust the

volume balance between the subwoofer and

the main speakers.

Normally, set the control to the level where you can

obtain a little more bass effect than when the subwoofer

is not used. If the desired response cannot be obtained,

adjust the HIGH CUT control and the VOLUME control

again.

Before using the subwoofer, adjust the subwoofer to obtain the optimum volume and tone balance between the subwoofer and

the main speakers by following the procedures described below.

7 Press the PHASE button to select the

regular or reverse mode which gives you the

better bass sound.

Normally, select the reverse mode (so that the PHASE

indicator on the front panel lights up in green). If the

desired response cannot be obtained, select the regular

mode (so that the PHASE indicator lights up in red).

8 Select “MOVIE” or “MUSIC” according to the

played source.

MOVIE (when the MUSIC/MOVIE indicator on the front

panel lights up in green):

When a movie type source is played, the low-frequency

effects are enhanced to allow the listener enjoy more

powerful sound. (The sound will be thicker and deeper.)

MUSIC (when the MUSIC/MOVIE indicator on the front

panel lights up in red):

When an ordinary music source is played, the excessive

low-frequency components are cut off to make the

sound clearer. (The sound will be lighter and repro-

duces the melody line more clearly.)

• Once the volume balance between the

subwoofer and the main speakers is adjusted,

you can adjust the volume of your whole

sound system by using the amplifier’s volume

control.

However, if you change the main speakers to

others, you must make this adjustment again.

• For adjusting the VOLUME control, the HIGH

CUT control and the PHASE button, refer to

“Frequency characteristics” on page 17.

ADJUSTING THE SUBWOOFER BEFORE USE

SUBWOOFER SYSTEM YST-SW1500

MUSIC/MOVIE PHASE

VOLUMEHIGH CUTB.A.S.S.STANDBY/ON

1

1014Hz40Hz 0

PRESET

2

3

SUBWOOFER SYSTEM YST-SW1500

MUSIC/MOVIE PHASE

VOLUMEHIGH CUTB.A.S.S.STANDBY/ON

1

10140Hz40Hz 0

PRESET

2

3

2, 6

6

5

3

8

7

53 8

2-SW1500(E) (02.9.2)a 02.9.3, 9:30 AM15

E-16

Storing preset data of the VOLUME control etc.

You can store preset data of the VOLUME control, the HIGH CUT control, the PHASE button and the B.A.S.S. switch as a set.

Each of the three PRESET buttons on the remote control is used to store (and recall) one set of data. With this function, you

can recall any preset data easily according to the source.

 To store

1 Adjust the VOLUME control, the HIGH CUT

control, the PHASE button and the B.A.S.S.

switch.

2 Press the MEMORY button. The PRESET

number indicators on the front panel flash.

3 Press the PRESET 1 button. The

corresponding PRESET number indicator

illuminates. This shows that the data has

been stored in PRESET 1.

* In the same way, store other sets of data in PRESET 2

and 3.

Notes

● A new setting can be stored in place of the former one.

● While the VOLUME control or the HIGH CUT control is

rotating from a PRESET button having been pressed,

pressing another PRESET button is ineffective.

Memory back-up

The memory back-up circuit prevents the stored data from

being lost even if the POWER switch is set off or the power

plug is disconnected from the AC outlet or the power is cut

due to temporary power failure. If, however, the power is lost

for more than one week, the memory may be erased. If so, it

can be re-stored by simply following the steps described

above.

SUBWOOFER SYSTEM YST-SW1500

MUSIC/MOVIE PHASE

VOLUMEHIGH CUTB.A.S.S.STANDBY/ON

1

1014Hz40Hz 0

PRESET

2

3

SUBWOOFER SYSTEM YST-SW1500

MUSIC/MOVIE PHASE

VOLUMEHIGH CUTB.A.S.S.STANDBY/ON

1

10140Hz40Hz 0

PRESET

2

3

1

3

1

2

3

* The default setting of each PRESET button is suitable for

using the following Yamaha speaker system with this

subwoofer.

PRESET 1: NS-8HX, NS-6HX

PRESET 2: NS-4HX

PRESET 3: NS-2HX

2-SW1500(E) (02.9.2)a 02.9.3, 9:30 AM16

English

E-17

This subwoofer’s frequency characteristics

EX.1 When combined with a 4” or 5” (10 cm or 13 cm) acoustic suspension, 2 way system main

speakers

EX.2 When combined with an 8” or 10” (20 cm or 25 cm) acoustic suspension, 2 way system main

speakers

PHASE–Set to the reverse

mode.

B.A.S.S.–MOVIE

The figures below show the optimum adjustment of each control and the frequency characteristics when this subwoofer is

combined with a typical main speaker system.

PHASE–Set to the reverse

mode.

B.A.S.S.–MOVIE

20 50 100 200 500 Hz

40

50

60

70

80

90

100 dB

HIGH CUT 40 Hz

HIGH CUT 90 Hz

HIGH CUT

140 Hz

20 50 100 200 500 Hz

40

50

60

70

80

90

100 dB

20 50 100 200 500 Hz

40

50

60

70

80

90

100 dB

Main

speaker’s

response

Main

speaker’s

response

YST-SW1500

HIGH CUT

140Hz40Hz

VOLUME

100

HIGH CUT

140Hz40Hz

VOLUME

100

Frequency characteristics

2-SW1500(E) (02.9.2)a 02.10.3, 1:36 PM17

E-18

ADVANCED YAMAHA ACTIVE SERVO TECHNOLOGY

The theory of Yamaha Active Servo Technology has been

based upon two major factors, the Helmholtz resonator and

negative-impedance drive. Active Servo Processing

speakers reproduce the bass frequencies through an “air

woofer”, which is a port or opening in the speaker’s cabinet.

This opening is used instead of, and performs the functions

of, a woofer in a conventionally designed speaker system.

Thus, signals of low amplitude within the cabinet can,

according to the Helmholtz resonance theory, be outputted

from this opening as waves of great amplitude if the size of

the opening and the volume of the cabinet are in the correct

proportion to satisfy a certain ratio.

In order to accomplish this, moreover, the amplitudes within

the cabinet must be both precise and of sufficient power

because these amplitudes must overcome the “load”

presented by the air that exists within the cabinet.

Thus it is this problem that is resolved through the

employment of a new design in which the amplifier supplies

special signals. If the electrical resistance of the voice coil

could be reduced to zero, the movement of the speaker unit

would become linear with respect to signal voltage. To

accomplish this, a special negative-impedance output-drive

amplifier for subtracting output impedance of the amplifier is

used.

By employing negative-impedance drive circuits, the

amplifier is able to generate precise, low-amplitude, low-

frequency waves with superior damping characteristics.

These waves are then radiated from the cabinet opening as

high-amplitude signals. The system can, therefore, by

employing the negative-impedance output drive amplifier

and a speaker cabinet with the Helmholtz resonator,

reproduce an extremely wide range of frequencies with

amazing sound quality and less distortion.

The features described above, then, are combined to be the

fundamental structure of the conventional Yamaha Active

Servo Technology.

Our new Active Servo Technology — Advanced Yamaha

Active Servo Technology — adopted Advanced Negative

Impedance Converter (ANIC) circuits, which allows the

conventional negative impedance converter to dynamically

vary in order to select an optimum value for speaker

impedance variation. With this new ANIC circuits, Advanced

Yamaha Active Servo Technology can provide more stable

performance and improved sound pressure compared with

the conventional Yamaha Active Servo Technology, resulting

in more natural and dynamic bass reproduction.

High-amplitude

bass sound

Cabinet

Port

Air woofer

(Helmholtz resonator)

Signals of low amplitude

Advanced Negative-

impedance Converter

Active Servo

Processing

Amplifier

Signals

2-SW1500(E) (02.9.2)a 02.9.3, 9:30 AM18

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