Yamaha YST-SW515 取扱説明書

YST-SW515

Subwoofer System

RTL

OWNER’S MANUAL

MANUAL DE INSTRUCCIONES

YST-SW515_RTL.book Page 1 Thursday, August 5, 2004 9:37 AM

Thank you for selecting this YAMAHA subwoofer system.

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 equipments.

Never pull the wires themselves.

• When not planning to use this unit for a long period (ie.,

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 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.

• 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 the following objects on this unit:

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

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

cause damage to the speaker, 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 put a hand or a foreign object into the YST port

located on the right 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.

• 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 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.

CAUTION: Read this before operating your unit

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• VOLTAGE SELECTOR

(China, Korea, Asia and General models only)

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.

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.

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.

SPECIAL INSTRUCTIONS FOR U.K. MODEL

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

SUPPLIED ACCESSORIES ...........................................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 the INPUT1/ OUTPUT terminals

of the subwoofer .........................................................8

Plug in the subwoofer to the AC outlet ......................8

CONTROLS AND THEIR FUNCTIONS .................... 9

AUTOMATIC POWER-SWITCHING

FUNCTION ................................................................. 11

Changing the AUTO STANDBY setting .................11

ADJUSTING THE SUBWOOFER

BEFORE USE ............................................................. 12

Frequency characteristics .........................................13

ADVANCED YAMAHA ACTIVE SERVO

TECHNOLOGY II ....................................................... 14

TROUBLESHOOTING ............................................... 15

SPECIFICATIONS ...................................................... 16

Standby mode

When this unit is set in standby mode by pressing the

STANDBY/ON button on the control 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 on the rear panel is set in the OFF

position or the AC power cord 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.

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.

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.

CONTENTS

1

2

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• This subwoofer system employs Advanced Yamaha

Active Servo Technology II which Yamaha has

developed for reproducing higher quality super-bass

sound. (Refer to page 14 for details on Advanced

Yamaha Active Servo Technology II.) 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 front speakers. You can create the best sound

quality for various listening conditions by using the

HIGH CUT control and the PHASE switch.

• 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.

• This subwoofer system is equipped with a linear port

unique to Yamaha that provides smooth bass response

during playback, minimizing extraneous noise not

included in the original input signal.

After unpacking, check that the following parts are

contained.

Non-skid pads

FEATURES

QD-Bass Technology

QD-Bass (Quatre Dispersion Bass) technology is a

Yamaha unique technology to radiate the sound

efficiently in four horizontal direction.

SUPPLIED ACCESSORIES

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English

( : subwoofer, : front speaker)

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 front speaker. (See

fig. .) If using two subwoofers, it is recommended to

place them on the outside of each front speaker. (See

fig. .) The placement shown in fig. 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. or .

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.

Use the non-skid pads

Put the provided non-skid pads at the four corners on the

bottom of the subwoofer to prevent the subwoofer from

moving by vibrations etc.

PLACEMENT

A

B

C

A

B C

A

B

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Choose one of the following two connecting methods that is more suitable for your audio system.

■ Choose (pages 4-5) if your amplifier has line output (pin jack) terminal(s)

■ Choose (pages 6-7) if your amplifier has no line output (pin jack) terminal

Caution: Unplug the subwoofer and other audio/video components before making

connections.

Notes

• 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 of your component to be connected to the subwoofer.

• After all connections are completed, plug in the subwoofer and other audio/video components.

• To connect with an amplifier (or AV receiver), connect the SUBWOOFER (or LOW PASS etc.) terminal on the rear of

the amplifier (or AV receiver) to the /MONO INPUT2 terminal of the subwoofer.

• When connecting the subwoofer to the SPLIT SUBWOOFER terminals on the rear of the amplifier, be sure to connect

the /MONO INPUT2 terminal to the “L” side and the INPUT2 terminal to the “R” side of the SPLIT

SUBWOOFER terminals.

Notes

• Some amplifiers have line output terminals labeled 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 6-7.)

• When connecting to a monaural line output terminal of the amplifier, connect the /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.

CONNECTIONS

1

2

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

1

L

R

L

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CONNECTIONS

English

■ Using one subwoofer

■ Using two subwoofers

Subwoofer

Amplifier

To AC outlet

Mono pin cable

(not included)

Audio pin cable

(not included)

Amplifier

To AC outlet

Mono pin cable(not included)

Mono pin cable

(not included)

Subwoofer Subwoofer

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CONNECTIONS

Select this method if your amplifier has no line output (pin jack) terminal.

If your amplifier has two sets of front speaker output terminals and both terminals can

output sound signals simultaneously.

• Connect one set of front speaker output terminals of the amplifier to the INPUT1 terminals of the subwoofer, and

connect the other set of front speaker output terminals of the amplifier to the front speakers.

• Set the amplifier so that both sets of front speaker output terminals output sound signals simultaneously.

Note

• If your amplifier has only one set of front speaker output terminals, see page 7.

■ Using one subwoofer (with speaker cables)

■ Using two subwoofers (with speaker cables)

Connecting to speaker output terminals of the amplifier

2

Right front speaker Subwoofer

To AC outlet

Left front speaker

Amplifier

Speaker

output

terminals

Amplifier

Right front speaker

Left front speaker

Subwoofer

To AC outlet

Subwoofer

Speaker

output

terminals

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CONNECTIONS

English

If your amplifier has only one set of front 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 front speakers.

■ Using one subwoofer (with speaker cables)

■ Using two subwoofers (with speaker cables)

Right front speaker

Left front speaker

Subwoofer

Amplifier

Speaker output

terminals

To AC outlet

Right front speaker Left front speaker

Subwoofer

Speaker output

terminals

To AC outlet To AC outlet

Amplifier

Subwoofer

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CONNECTIONS

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 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.

Caution

Do not let the bare speaker wires touch each other, because

this could damage the subwoofer or the amplifier, or both of

them.

■ Before connecting

Remove the insulation coating at the extremity of each

speaker cable by twisting the coating off.

■ How to connect:

1 Loosen the terminal’s knob, as shown in the figure.

2 Insert the bare wire.

3 Tighten the knob.

4 Test the firmness of the connection by pulling lightly

on the cable at the terminal.

U.S.A., Canada and Australia models only

Banana Plug conection are also possible.

1 Tighten the terminal knob.

2 Simply insert the banana plug into the terminal

After all connections are completed, plug in the subwoofer

and other audio/video components to the AC outlet.

Connecting to the INPUT1/OUTPUT

terminals of the subwoofer

Good No Good

10mm

(3/8”)

2

1

3

Red: positive (+)

Black: negative (

–)

Plug in the subwoofer to the AC outlet

2

1

To AC outlet

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1 Power indicator

Lights up in green while the subwoofer is on.

Lights up in red while the subwoofer is set in the

standby mode by the operation of the automatic power-

switching function.

Goes off when the subwoofer is set in the standby

mode.

2 STANDBY/ON button

Press this button to turn on the power when the

POWER switch is set in the ON position. (The power

indicator lights up in green.)

Press again to set the subwoofer in the standby mode.

(The power indicator goes off.)

3 B.A.S.S. (Bass Action Selector System) button

When this button is pressed in to the MUSIC position,

the bass sound in audio software is well reproduced.

By pressing the button again so that it pops out at the

MOVIE position, the bass sound in video software is

well reproduced.

4 HIGH CUT control

Adjusts the high frequency cut off point.

Frequencies higher than the frequency selected by this

control are all cut off (and no output).

* One graduation of this control represents 10 Hz.

5 VOLUME control

Adjusts the volume level. Turn the control clockwise to

increase the volume, and counterclockwise to decrease

the volume.

6 VOLTAGE SELECTOR switch

(China, Korea, Asia and General models only)

If the preset setting of the switch is incorrect, set the

switch to the proper voltage (110V, 120V, 220V or

230-240V) of your area.

Consult your dealer if you are unsure of the correct

setting.

WARNING

Be sure to unplug the subwoofer before setting the

VOLTAGE SELECTOR switch correctly.

7 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 button. Set this switch to

the OFF position to completely cut off the subwoofer’s

power supply from the AC line.

CONTROLS AND THEIR FUNCTIONS

Rear panel

(General model)

Front panel

Standby mode

The subwoofer is still using a small amount of

power in this mode.

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CONTROLS AND THEIR FUNCTIONS

8 OUTPUT (TO SPEAKERS) terminals

Can be used for connecting to the main speakers.

Signals from the INPUT1 terminals are sent to these

terminals.

(Refer to “CONNECTIONS” for details.)

9 INPUT1 (FROM AMPLIFIER) terminals

Used to connect the subwoofer with the speaker

terminals of the amplifier.

(Refer to “CONNECTIONS” for details.

0 INPUT2 terminals

Used to input line level signals from the amplifier.

(Refer to “CONNECTIONS” for details.)

A 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 11. If you do not need

this function, leave this switch in the OFF position.

* Make sure to change the setting of this switch only

when the subwoofer is set in the standby mode by

pressing the STANDBY/ON button.

B PHASE switch

Normally this switch is to be set to the REV (reverse)

position. However, according to your speaker systems

or the listening condition, there may be a case when

better sound quality is obtained by setting this switch

to the NORM (normal) position. Select the better

position by monitoring the sound.

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English

This function automatically switches the unit between standby and power-on modes.

The subwoofer automatically places itself in standby mode if it does not receive an input signal for 7 or 8 minutes. (The

power indicator lights red.)

When the subwoofer detects a bass signal input of below 200 Hz, it automatically places itself in power-on mode. (The

power indicator lights green.)

1 Set the subwoofer to standby.

2 Change the AUTO STANDBY setting.

- LOW: Normally select this position to activate this function.

- HIGH: If this function does not operate with AUTO STANDBY switch set to LOW, select this position so that the

subwoofer detects input signals with a lower level and switches the power on automatically.

- OFF: Select this position to deactivate this function, for example, when the subwoofer switches the power on

unexpectedly by sensing noises from other appliances.

Notes:

• This function does not operate when the POWER switch is set to the OFF position, or when you manually set the

subwoofer to standby mode by pressing the STANDBY/ON button.

• Noise received from other appliances may extend the time period before the subwoofer places itself in standby mode to

more than 8 minutes.

AUTOMATIC POWER-SWITCHING FUNCTION

Changing the AUTO STANDBY setting

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

and the front speakers by following the procedures described below.

1 Set the VOLUME control to minimum (0).

2 Turn on the power of all the other components.

3 Make sure that the POWER switch 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 Adjust the HIGH CUT control to the position where

the desired response can be obtained.

Normally, set the control to the level a little higher than

the front speaker’s rated minimum reproducible

frequency*.

* The front 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 front 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.

7 Set the PHASE switch to the position which gives you

the better bass sound.

Normally, set the switch to the REV (reverse) position.

If the desired response cannot be obtained, set the

switch to the NORM (normal) position.

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

source.

MOVIE:

When a movie type source is played, the low-

frequency effects are enhanced to allow the listeners

enjoy more powerful sound. (The sound will be thicker

and deeper.)

MUSIC:

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

reproduces the melody line more clearly.)

• Once the volume balance between the subwoofer and

the front 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 front speakers to others,

you must make this adjustment again.

• For adjusting the VOLUME control, the HIGH CUT

control and the PHASE switch, refer to “Frequency

characteristics” on page 13.

ADJUSTING THE SUBWOOFER BEFORE USE

3 8 5 1,6 3 7

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ADJUSTING THE SUBWOOFER BEFORE USE

English

This subwoofer’s frequency characteristics

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

is combined with a typical front speaker system.

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

speakers

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

speakers

*This diagram does not depict actual frequency response characteristics accurately.

Frequency characteristics

(70Hz) (REV)

(50Hz) (REV)

20 50 100 200 500Hz

40

50

60

70

80

90

dB

HIGH CUT 40 Hz

HIGH CUT 90 Hz

HIGH CUT 140 Hz

PHASE

REVNORM

20 50 100 200 500Hz

40

50

60

70

80

90

dB

YST-SW515

Front

speaker

Frequency response graph*

PHASE

REVNORM

20 50 100 200 500Hz

40

50

60

70

80

90

dB

YST-SW515

Front

speaker

Frequency response graph*

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14

In 1988, Yamaha brought to the marketplace speaker

systems utilizing YST (Yamaha Active Servo Technology)

to give powerful, high quality bass reproduction. This

technique uses a direct connection between the amplifier

and speaker, allowing accurate signal transmission and

precise speaker control.

As this technology uses speaker units controlled by the

negative impedance drive of the amplifier and resonance

generated between the speaker cabinet 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.

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.

ADVANCED YAMAHA ACTIVE SERVO TECHNOLOGY II

High-amplitude

bass sound

Port

Cabinet

Advanced impedance

Converter

Active

Servo

Processing

Amplifier

Signals of low amplitude

Air woofer

(Helmholtz resonator)

Signals

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English

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.

TROUBLESHOOTING

Problem Cause What to Do

Power is not supplied even though the

STANDBY/ON button is set to the ON

position.

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 minimum. Raise the volume up.

Speaker cables are not connected

securely.

Connect them securely.

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 switch is not

proper.

Set the PHASE switch to the other

position.

A source sound with few bass

frequencies is played.

Play a source sound with bass

frequencies.

Set the HIGH CUT control to a higher

position.

It is influenced by standing waves. Reposition the subwoofer or break up

the parallel surface by placing

bookshelves etc. along the walls.

The subwoofer does not turn on

automatically.

The POWER switch is set to the OFF

position.

Set the POWER switch to the ON

position.

The STANDBY/ON button is set to the

STANDBY position.

Set the STANDBY/ON button to the ON

position.

The AUTO STANDBY switch is set to

the OFF position.

Set the AUTO STANDBY switch to the

“HIGH” or “LOW” position.

The level of input signal is too low. Set the AUTO STANDBY switch to the

“HIGH” position.

The subwoofer does not turn into the

standby mode automatically.

There is an influence of noise generated

from external appliances etc.

Move the subwoofer farther away from

such appliances and/or reposition the

connected speaker cables.

Otherwise, set the AUTO STANDBY

switch to the “OFF” position.

The AUTO STANDBY switch is set to

the OFF position.

Set the AUTO STANDBY switch to the

“HIGH” or “LOW” position.

The subwoofer turns into the standby

mode unexpectedly.

The level of input signal is too low. Set the AUTO STANDBY switch to the

“HIGH” position.

The subwoofer turns on unexpectedly. There is an influence of noise generated

from external appliances etc.

Move the subwoofer farther away from

such appliances and/or reposition the

connected speaker cables.

Otherwise, set the AUTO STANDBY

switch to the “OFF” position.

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16

Type.......... Advanced Yamaha Active Servo Technology

Driver ........................................25 cm (10”) cone woofer

Magnetic shielding type

Amplifier Output (100 Hz, 5 ohms, 10% THD)

................................................................................250 W

Frequency Response ............................... 20 Hz - 160 Hz

Power Supply

USA and Canada models...................AC 120V, 60 Hz

U.K. and Europe models....................AC 230V, 50 Hz

Australia model..................................AC 240V, 50 Hz

China, Korea, Asia and General models

........................AC 110/120/220/230-240 V, 50/60 Hz

Power Consumption................................................80 W

Standby Power Consumption ...............................0.5 W

Dimensions (W x H x D)

........................................350mm x 430 mm x 382 mm

(13-3/4” x 16-15/16” x 15-1/16”)

Weight ............................................ 19 kg (41 lbs. 13 oz.)

Please note that all specifications are subject to change

without notice.

SPECIFICATIONS

YST-SW515_RTL.book Page 16 Thursday, August 5, 2004 9:37 AM

Gracias por haber seleccionado un sistema de altavoces de ultragraves YAMAHA.

Lea las siguientes precauciones de funcionamiento antes

de iniciar el uso del aparato. YAMAHA no se

responsabilizará de cualquier daño y/o lesión causada por

no seguir las precauciones que aparecen a continuación.

• Lea cuidadosamente este manual para obtener el mejor

rendimiento posible. Manténgalo en un lugar seguro

para utilizarlo como referencia en el futuro.

•I

nstale esta unidad en un lugar fresco, seco y limpio, alejado

de las ventanas, aparatos que produzcan calor, lugares con

muchas vibraciones, polvo, humedad y frío. Evite aparatos

que causen ruidos de zumbido (transformadores y motores).

Para evitar incendios o descargas eléctricas, no exponga la

unidad a la lluvia o al agua.

• No abrá nunca la carcasa. Si algo cae en el equipo,

póngase en contacto con su distribuidor.

• El voltaje a utilizar debe de ser el mismo que el

especificado en el panel trasero. La utilización de esta

unidad con un voltaje superior al especificado puede

causar un incendio y/o un a descarga eléctrica.

• Para reducir el riesgo de incendio y descarga eléctrica,

no exponga esta unidad a la lluvia o a la humedad.

• No fuerce los interruptores, controles o cables de

conexión. Cuando mueva esta unidad, desconecte

primero el cable de alimentación y los cables conectados

a otros equipos. No tire nunca de los cables en sí.

• Cuando no se va a usar el aparato por un largo tiempo (ej.

vacaciones, etc.) desconecte el enchufe de alimentación

de CA del tomacorriente.

• Para evitar daños debidos a relámpagos, desenchufe el

cable de la alimentación de CA durante tormentas

eléctricas.

• Este sistema irradia calor por el panel trasero debido a

que tiene un amplificador de potencia incorporado.

Coloque la unidad separada de las paredes, dejando unos

20 cm de espacio sobre, detrás y a ambos lados de la

unidad para evitar un incendio o cualquier otro tipo de

daño. Tampoco, se debe colocar con el panel trasero

contra el piso o apoyado sobre otras superficies.

• No cubra el panel trasero de la unidad con papel de

periódico, un mantel, una cortina, etc. para no obstruir la

radiación de calor. Si aumenta la temperatura en el

interior de la unidad, podrían originarse un incendio,

daños a la unidad y/o lesiones personales.

• No coloque los siguientes objetos sobre esta unidad:

Vidrio, porcelanana, pequeños trozos de metal etc.

Si el vidrio, etc. se cae debido a las vibraciones y se

romple, podría causar lesiones personales.

Un candelabro encendido, etc.

Si el candelabro cae debido a las vibraciones, podría

provocar un incendio y lesiones personales.

Un jarrón con agua en su interior

Si el jarrón cae debido a las vibraciones y el agua se

derrama, podría causar daños en el altavoz, y/o una

descarga eléctrica.

• No coloque esta unidad donde puedan caer objetos

extraños, como agua derramada. Podría provocar un

incendio, daños a esta unidad y/o daños personales.

• Nunca ponga las manos o un objeto extraño en el puerto

YST, situado a la derecha de esta unidad. Al mover esta

unidad, no sujete el puerto, ya que podría provocar

lesiones personales y/o daños a esta unidad.

• Nunca coloque un objeto frágil cerca del puerto YST de

esta unidad. Si el objeto cae o se vuelca debido a la

presión del aire, podría provocar lesiones en la unidad y/

o lesiones personales.

• No abrá nunca la carcasa. Podría provocar una descarga

eléctrica, ya que esta unidad necesita una tensión alta.

También podría provocar lesiones personales y/o daños

a esta unidad.

• Cuando utilice un humidificador, asegúrese de evitar la

condensación dentro esta unidad dejando suficiente

espacio alrededor de esta unidad o evitando el exceso de

humidificación. La condensación podría causar un

incendio, daños a esta unidad, y/o descarga eléctrica.

• Las frecuencias de ultragraves generadas por esta unidad

pueden hacer que el tocadiscos emita un sonido de

aullidos.

En este caso, alejar la unidad del tocadiscos.

• La unidad podría ser dañada, si se escucharan

continuamente ciertos sonidos en el nivel máximo de

volumen. Por ejemplo, si se escuchan ondas sinusoidales

de 20 Hz-50 Hz con el disco de prueba, sonidos graves

de instrumentos electrónicos, etc.; o cuando la aguja del

tocadiscos toque la superficie de un disco, reduzca el

nivel de volumen para evitar que se dañe el equipo.

• Si se escuchan sonidos distorsionados (ej. sonidos raros,

“golpeteos” o “martilleos” intermitentes) provenientes

de la unidad, baje el nivel del volumen. Si se reproducen

con el volumen alto pistas de sonido de películas de baja

frecuencia, sonidos con bajos fuertes o música de

similares características se podría dañar el sistema de

altavoces.

• La vibración generada por frecuencias ultragraves

podría distorsionar las imágenes de una TV. En este

caso, alejar el sistema del televisor.

• No intente limpiar esta unidad con disolventes químicos,

ya que podrían dañar el acabado. Utilice para la limpieza

un paño limpio y seco.

• No deje de leer la seeción “LOCALIZACIÓN DE

AVERÍAS”, donde se dan consejos sobre los errores de

utilización antes de llegar a la conclusión de que la

unidad está averiada.

• La instalación en un lugar seguro es responsabilidad

del propietario. YAMAHA no se hace responsable

por ningún accidente provocado por una instalación

incorrecta de los altavoces.

PRECAUCIÓN: Leer este manual de instrucciones antes de

poner la unidad en funcionamiento.

YST-SW515_RTL.book Page i Thursday, August 5, 2004 9:37 AM

1

Español

• VOLTAGE SELECTOR

(Solamente en modelos para China, Corea, Asia y

generales)

El interruptor de selección de tensión situado

en el panel trasero de esta unidad debe ajustarse a la

tensión principal de su emplazamiento ANTES de

enchufar esta unidad a la corriente eléctrica.

La selección de voltajes es para CA de 110/120/220/

230-240 V, 50/60 Hz.

CARACTERÍSTICAS.....................................................2

ACCESORIOS INCLUIDOS..........................................2

UBICACIÓN ...................................................................3

CONEXIONES............................................................... 4

Conexión a los terminales (toma para clavija) de

salida de línea del amplificador .......................... 4

Conexión a los terminales de salida de

los altavoces del amplificador .............................. 6

Conexión a los terminales INPUT1/OUTPUT

del altavoz de ultragraves ..........................................8

Enchufe el altavoz de ultragraves al

tomacorriente de CA...................................................8

CONTROLES Y SUS FUNCIONES ............................. 9

FUNCIÓN DE CONMUTACIÓN AUTOMÁTICA

DE LA ALIMENTACIÓN ...........................................11

Cambio del ajuste AUTO STANDBY .....................11

AJUSTE DEL ALTAVOZ DE ULTRAGRAVES

ANTES DE UTILIZARLO ......................................... 12

Características de las frecuencias ............................ 13

ADVANCED YAMAHA ACTIVE SERVO

TECHNOLOGY II ....................................................... 14

LOCALIZACIÓN DE AVERÍAS ................................15

ESPECIFICACIONES ................................................. 16

Modo de espera

Cuando esta unidad se ajusta en modo de espera

pulsando el botón STANDBY/ON del panel de

control, la unidad consume poca energía. A este estado

se le denomina modo de espera. La entrada de

alimentación de esta unidad se corta porcompleto

desde la línea CA cuando el interruptor POWER,

situado en el panel trasero, se encuentra en la posición

OFF o cuando se desconecta el cable eléctrico CA.

Esta unidad dispone de un diseño a prueba de

interferencias magnéticas, aunque existe la posibilidad

de que, en el caso de colocarlo demasiado cerca de un

aparato de TV, el color de la imagen pueda verse

afectado. En este caso, aleje el sistema del televisor.

CONTENIDO

1

2

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