Yamaha YST-SW800 El kitabı

Marka: Yamaha

Model: YST-SW800

Tip: El kitabı

YST-SW800

Active Servo Processing Subwoofer System

Caisson de grave avec asservissement actif

OWNER’S MANUAL

MODE D’EMPLOI

BEDIENUNGSANLEITUNG

BRUKSANVISNING

MANUALE DI ISTRUZIONI

MANUAL DE INSTRUCCIONES

GEBRUIKSAANWIJZING

G B

Nonskid pads

Patins anti-dérapages

Rutschfeste Auflagen

Glidskyddsdynor

Piedini antisdrucciolevoli

Almohadillas antideslizantes

Niet-glijdende steunen

UNPACKING After unpacking, check that the following item is contained.

DEBALLAGE Après le déballage, vérifier que la pièce suivante est incluse.

AUSPACKEN Nach dem Auspacken überprüfen, ob das folgende Teil vorhanden ist.

UPPACKNING Kontrollera efter det apparaten packats upp att följande del finns med.

DISIMBALLAGGIO Verificare che l’accessorio sotto sia contenuto nell’imballaggio dell’apparecchio.

DESEMBALAJE Desembale el aparato y verifique que el siguiente accesorio está en la caja.

UITPAKKEN Controleer na het uitpakken of de volgende onderdelen voorhanden zijn.

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

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.

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 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 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 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.

● The household breaker might go off unexpectedly when

a high level signal is inputted to this unit. In this case,

turn down the volume on the amplifier etc. connected to

this unit or cut off the power to other unused equipment.

● 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 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.

CAUTION: Read this before operating your unit.

Thank you for selecting this YAMAHA Subwoofer System.

E-2

CONTENTS

UNPACKING................ 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

CONTROLS AND THEIR FUNCTIONS... 8

AUTOMATIC POWER-SWITCHING

FUNCTION............................................... 9

ADJUSTING THE SUBWOOFER

BEFORE USE........................................ 10

Frequency characteristics.................... 11

ADVANCED YAMAHA ACTIVE SERVO

TECHNOLOGY...................................... 12

TROUBLESHOOTING........................... 13

SPECIFICATIONS ................................. 14

FEATURES

● This subwoofer system employs Advanced

YAMAHA Active Servo Technology which YAMAHA

has developed for reproducing higher quality

super-bass sound. (Refer to page 12 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 this unit, this unit’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 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 BASS switch.

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)

Use the nonskid pads

Put the provided nonskid pads at the four corners on the

bottom of the subwoofer to prevent the subwoofer from

moving by vibrations etc.

Çı

E-4

BASS

MUSIC NORMMOVIE REV HIGH

LOW

OFF

PHASE AUTO

STANDBY

OUTPUT

TO SPEAKERS

INPUT

FROM AMPLIFIER

/MONO

POWER

OFF

SPLIT SUBWOOFER

SUBWOOFER

(LOW PASS)

OUTPUT

TO SPEAKERS

/MONO

INPUT

FROM AMPLIFIER

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 AC outlet

● 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.

Pin plug cord

(not included)

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

m Using one subwoofer

Left main speaker

Right main speaker

English

E-5

POWER

OFF

BASS

MUSIC NORMMOVIE REV HIGH

LOW

OFF

PHASE AUTO

STANDBY

OUTPUT

TO SPEAKERS

INPUT

FROM AMPLIFIER

/MONO

BASS

MUSIC NORMMOVIE REV HIGH

LOW

OFF

PHASE AUTO

STANDBY

OUTPUT

TO SPEAKERS

INPUT

FROM AMPLIFIER

/MONO

POWER

OFF

SPLIT SUBWOOFER

OUTPUT

TO SPEAKERS

INPUT

FROM AMPLIFIER

OUTPUT

TO SPEAKERS

INPUT

FROM AMPLIFIER

/MONO /MONO

m Using two subwoofers

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 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.

Subwoofer

Amplifier

To AC outlet

Pin plug cords

(not included)

Left main speaker

Right main speaker

Subwoofer

To AC outlet

E-6

BASS

MUSIC NORMMOVIE REV HIGH

LOW

OFF

PHASE AUTO

STANDBY

OUTPUT

TO SPEAKERS

INPUT

FROM AMPLIFIER

/MONO

POWER

OFF

OUTPUT

TO SPEAKERS

INPUT

FROM AMPLIFIER

/MONO

BASS

MUSIC NORMMOVIE REV HIGH

LOW

OFF

PHASE AUTO

STANDBY

OUTPUT

TO SPEAKERS

INPUT

FROM AMPLIFIER

/MONO

POWER

OFF

OUTPUT

TO SPEAKERS

INPUT

FROM AMPLIFIER

/MONO

Connecting to speaker output terminals of the amplifier

m 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

To AC outlet

If your amplifier has two sets of speaker output terminals

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

Left main speakerRight main speaker

Subwoofer

Amplifier

Speaker output

terminals

To AC outlet

English

E-7

BASS

MUSIC NORMMOVIE REV HIGH

LOW

OFF

PHASE AUTO

STANDBY

OUTPUT

TO SPEAKERS

INPUT

FROM AMPLIFIER

/MONO

POWER

OFF

BASS

MUSIC NORMMOVIE REV HIGH

LOW

OFF

PHASE AUTO

STANDBY

OUTPUT

TO SPEAKERS

INPUT

FROM AMPLIFIER

/MONO

POWER

OFF

OUTPUT

TO SPEAKERS

INPUT

FROM AMPLIFIER

OUTPUT

TO SPEAKERS

INPUT

FROM AMPLIFIER

/MONO

m 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.

Left main speakerRight main speaker

Subwoofer

Speaker output

terminals

To AC outlet

Subwoofer

To AC outlet

Amplifier

For connections, keep the speaker cords as short as

possible. Do not bundle or roll up the excess part of the

cords. 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 cords

are observed and set correctly. If these cords 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.

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 and Australia models only>

Banana Plug connections are also possible.

1 Tighten the terminal knob.

2 Simply insert the Banana Plug connector into the

terminal.

Connecting to the INPUT1/OUTPUT terminals of the subwoofer

E-8

BASS

MUSIC NORMMOVIE REV HIGH

LOW

OFF

PHASE AUTO

STANDBY

OUTPUT

TO SPEAKERS

INPUT

FROM AMPLIFIER

/MONO

POWER

OFF

SUPERWOOFER SYSTEM YST–SW800

STANDBY/ON VOLUME0

–

10HIGH CUT40

–

140Hz

STANDBY/ON VOLUME

–

HIGH CUT

–

140Hz

1 2 3 4

OUTPUT

TO SPEAKERS

INPUT

FROM AMPLIFIER

BASS

MUSIC NORMMOVIE REV HIGH

LOW

OFF

PHASE AUTO

STANDBY

6 07 8

/MONO

POWER

OFF

1 Power indicator

Lights up while the subwoofer is turned on.

2 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 (5)

switch is set in the ON position.

Standby mode

The subwoofer is still using a small amount of power

in this mode.

3 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.

4 VOLUME control

Adjusts the volume level. Turn the control clockwise to

increase the volume, and counterclockwise to

decrease the volume.

5 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 (2) button. Set this

switch to the OFF position to completely cut off the

subwoofer’s power supply from the AC line.

6 BASS switch

By setting this switch to the MOVIE position, the bass

sound in video software is faithfully reproduced. By

setting it to the MUSIC position, the bass sound in

audio software is well reproduced.

Rear panel

CONTROLS AND THEIR FUNCTIONS

40Hz

50Hz

60Hz 120Hz

70Hz 110Hz

80Hz 100Hz

90Hz

130Hz

140Hz

Front panel

English

E-9

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

on automatically by sensing audio signals input to the

subwoofer. On the other hand, the subwoofer automatically

switches to the standby mode if the source being played is

stopped or the input signal is cut off for a few minutes.

This function operates by sensing a certain level of low

frequency input signal. Its sensitivity is high in the HIGH

position and low in the LOW position of the AUTO

STANDBY switch. Set this switch to the position you prefer.

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 or LOW position.

* The level of low frequency input signal differs with each

source and among different parts within the same source.

This means that the function may not operate properly on

some sources.

* The level of low frequency input signal this function

senses is about 100 Hz.

This function is available only when the power of the

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

“ON”).

7 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.

8 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 below. 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 STANDBY/ON (2) button is in the OFF position.

9 INPUT2 terminals

Used to input line level signals from the amplifier.

(Refer to “CONNECTIONS” for details.)

0 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.)

A INPUT1 (FROM AMPLIFIER) terminals

Used to connect the subwoofer with the speaker

terminals of the amplifier.

(Refer to “CONNECTIONS” for details.)

AUTOMATIC POWER-SWITCHING FUNCTION

E-10

1 Set the VOLUME control to minimum (0).

2 Turn on the power of all the other

components.

3 Press the STANDBY/ON button to turn on

the subwoofer.

4 Play a source 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 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.

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.

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 this unit 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.

● 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 switch, refer to “Frequency

characteristics” on the next page.

ADJUSTING THE SUBWOOFER BEFORE USE

Rear panel

Front panel

BASS

MUSIC NORMMOVIE REV HIGH

LOW

OFF

PHASE AUTO

STANDBY

OUTPUT

TO SPEAKERS

INPUT

FROM AMPLIFIER

/MONO

POWER

OFF

SUPERWOOFER SYSTEM YST–SW800

STANDBY/ON VOLUME0

–

10HIGH CUT40

–

140Hz

STANDBY/ON VOLUME

–

HIGH CUT

–

140Hz

BASS

MUSIC NORMMOVIE REV HIGH

LOW

OFF

PHASE AUTO

STANDBY

English

E-11

Frequency characteristics

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 REV

(reverse) position.

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 REV

(reverse) position.

VOLUME

–

HIGH CUT

–

140Hz

VOLUME

–

HIGH CUT

–

140Hz

20 50 100 200 500 Hz

100 dB

HIGH CUT 40 Hz

HIGH CUT 90 Hz

HIGH CUT

140 Hz

20 50 100 200 500 Hz

100 dB

YST-SW320

20 50 100 200 500 Hz

100 dB

YST-SW320

Main

speaker’s

response

Main

speaker’s

response

YST-SW800

E-12

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)

Active Servo

Processing

Amplifier

Signals

Signals of low amplitude

Advanced Negative-

impedance Converter

English

E-13

Problem

Power is not supplied even

though the STANDBY/ON button

is set to the ON position.

No sound.

Sound level is too low.

The subwoofer does not turn on

automatically.

The subwoofer turns into the

standby mode unexpectedly.

The subwoofer turns on

unexpectedly.

The household breaker goes off.

What to Do

Plug the power cord into an AC outlet

and/or set the POWER switch to the ON

position.

Turn the VOLUME control to the right.

Connect them securely.

Connect them correctly, that is L (left) to

L, R (right) to R, “+” to “+” and “–” to “–”.

Set the switch to the other position.

Play a source sound with bass

frequencies.

Set the HIGH CUT control to a higher

position.

Reposition the subwoofer or break up

the parallel surface by placing

bookshelves etc. along the walls.

Set the POWER switch to the ON

position.

Set the STANDBY/ON button to ON.

Set the AUTO STANDBY switch to the

“HIGH” or “LOW” position.

Set the AUTO STANDBY switch to the

“HIGH” position.

Set the AUTO STANDBY switch to the

“HIGH” position.

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.

Turn down the volume on the amplifier

etc. connected to this unit or cut off the

power to other unused equipment.

Cause

The power cord is not plugged in, or the

POWER switch is set to the OFF

position.

The VOLUME control is set to 0.

Speaker cords are not connected

securely.

Speaker cords are not connected

correctly.

Setting of the PHASE switch is not

proper.

A source sound with few bass

frequencies is played.

It is influenced by standing waves.

The POWER switch is set to the OFF

position.

The STANDBY/ON button is set to OFF.

The AUTO STANDBY switch is set to

the OFF position.

The level of input signal is too low.

There is an influence of noise

generated from external appliances etc.

This unit consumes much electricity

when a high level signal is inputted to

this unit.

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.

E-14

SPECIFICATIONS

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

Driver...........................25 cm (10”) cone woofer (JA25610)

Magnetically shielded type

Amplifier Output.................................................. 800W/6Ω

Frequency Response................... 18 Hz–160 Hz (–10 dB)

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

Power Consumption .................................................250W

Dimensions (W x H x D)...... 390 mm x 482 mm x 420 mm

(15-3/8” x 19” x 16-9/16”)

Weight ................................................24 kg (52 lbs. 13 oz.)

Accessories .............................................. Nonskid pad x 4

* Please note that all specifications are subject to change

without notice.

F-1

Français

Veuillez lire les précautions suivantes avant toute utilisation.

YAMAHA ne se tiendra pas responsable d'aucun dommage

et/ou d’aucune blessure causés en ne suivant pas les

avertissements ci-sessous.

●

Installer l’appareil dans un endroit frais, sec et propre, loin de

fenêtres, sources de chaleur et d’endroits où les vibrations, la

poussière, l’humidité ou le froid sont importants. Eviter les

sources de bourdonnements (transformateurs, moteurs). Pour

éviter les incendies ou électrocution, ne pas exposer l’appareil

à la pluie ni à l’humidité.

●

Ne jamais ouvrir le coffret. Si un objet pénètre dans l’appareil,

contacter son revendeur.

●

Le voltage à utiliser doit être le même que celui spécifié sur le

panneau arrière. Utiliser l’appareil avec un plus haut voltage que

spécifié est dangeraux et peut causer un feu et/ou une

électrocution.

●

Afin d’éviter tout risque d’incendie ou d’électrocution, ne pas

exposer l’appareil à la pluie ni à l’humidité.

●

Ne pas forcer les commutateurs, les touches ou les câbles de

raccordement.

Lors du déplacement de l’appareil, d’abord débrancher la prise

d’alimentation et les câbles le raccordant à d’autres appareils.

Ne jamais tirer sur les cordons.

●

Lorsqu’on prévoit de ne pas utiliser cet appareil pendant

longtemps (pendant les vacances, par exemple), débrancher le

cordon d’alimentation CA de la prise murale.

●

Pour prévenir tout dégât dû à la foudre, débrancher la prise

d’alimentation CA en cas d’orage.

●

Cet appareil possédant un amplificateur intégré, de la chaleur

sera irradiée par le panneau arrière. Par conséquent, placer

l’appareil à une certaine distance des murs, en laissant

suffisamment d’espace au-dessus, derrière et des deux côtés

de l’appareil afin d’éviter tout risque de dommage ou

d’incendie. Ne pas positionner non plus cet appareil dos au

plancher ou à une autre surface.

<Modèles pour le Royaume-Uni et l’Europe

seulement>

Laisser un espace d’au moins 20 cm au-dessus, derrière et

des deux côtés de l’appareil.

●

Ne pas couvrir le panneau arrière de cet appareil avec un

journal, une nappe, un rideau, etc., afin de ne pas empêcher le

rayonnement de chaleur. Si la température s’élève à l’intérieur

de l’appareil, ceci risque de causer un incendie,

d’endommager l’appareil et/ou de provoquer des blessures

corporelles.

●

Ne pas placer de petits objets métalliques sur l’appareil. Ils

pourraient tomber et risqueraient de causer une blessure.

●

Ne placez pas les objets suivants sur l’appareil:Verres,

porcelaine, etc.

Si les verres, etc., tombent sous l’effet des vibrations et se

rompent, ceci risque de causer des blessures.

Une bougie allumée, etc.

Si la bougie tombe sous l’effet des vibrations, ceci risque de

causer un incendie et des blessures.

Un récipient contenant de l’eau

Si le récipient tombe sous l’effet des vibrations et que l’eau

se répand, ceci risque d’endommager l’appareil et/ou de

causer une électrocution.

●

Ne pas placer l’appareil dans un endroit où des corps étrangers

comme des gouttes d'eau peuvent tomber. Ceci peut causer un

feu, des dommages à l’appareil et/ou une blessure corporelle.

●

Ne jamais placer d’objet fragile à proximité du port YST de

l’appareil. Si l’objet tombe à cause de la pression d’air, il peut

entraîner des dommages à l’appareil et/ou des blessures.

●

Ne jamais introduire la main ou tout corps étranger dans le

port YST situé sur le côté droit de l’appareil. Lors du

déplacement de cet appareil, ne pas le tenir par le port, cela

peut entraîner des blessures et/ou endommager l’appareil.

●

Le disjoncteur du foyer peut disjoncter de manière inattendue

lorsqu’un signal de haut niveau est entré dans l’appareil. Dans

ce cas, baisser le volume de l’amplificateur, etc. connecté à cet

appareil ou mettre tous les appareils inutilisés hors tension.

●

Ne jamais ouvrir le coffret. Cet appareil utilisant un haut

voltage, cela peut entraîner une décharge électrique. Cela peut

également entraîner des blessures et/ou endommager

l’appareil.

●

En utilisant un humidificateur, éviter la condensation

à l’intérieur de l’appareil en libérant la place autour

de l’appareil ou en évitant l’humidification extrême.

La condensation peut causer un feu, des dommages à

l’appareil et/ou une électrocution.

●

Les sons de très basse fréquence produits par cet appareil

peuvent provoquer un sifflement sur le tourne-disque. Dans ce

cas, éloigner cet appareil du tourne-disque.

●

Cet appareil pourra se trouver endommagé si certains sons se

trouvent émis à haut volume de façon continue. Par exemple, si

des ondes sinusoïdales de 20 – 50 Hz d’un disque d’essai, des

sons de basse fréquence d’un instrument électronique, etc.

sont émis continuellement, ou lorsque l’aiguille d’un tourne-

disque est posée sur un disque en rotation, il faut réduire le

volume sonore afin que cet appareil ne soit pas endommagé.

●

Si une distorsion se fait entendre (par exemple des petits

coups secs intermittents ou un “martèlement”) sur cet appareil,

diminuer le niveau sonore. La lecture à très haut volume des

sons de basse ou des sons de basses fréquences de la bande

sonore d’un film, ou de passages de musique populaire de

forte intensité, sont susceptibles d’endommager ce système

d’enceintes.

●

Les vibrations provenant des fréquences très basses peuvent

causer de la distorsion sur l’image d’un téléviseur placé à

proximité. Si c’est la cas, éloigner l’appareil du téléviseur.

●

Ne pas essayer de nettoyer l’appareil avec des diluants

chimiques, ceci endommagerait le fini. Utiliser un chiffon

propre et sec.

●

Bien lire la section “EN CAS DE DIFFICULTE” concernant les

erreurs de fonctionnement communes avant de conclure que

votre appareil est en panne.

●

Le propriétaire du système est entièrement responsable

du bon positionnement et de la bonne installation du

système.

YAMAHA décline toute responsabilité en cas d’accident

causé par un positionnement ou une installation

inadéquats des enceintes.

Mode veille

Lorsque cet appareil est mis hors tension en appuyant sur la

touche STANDBY/ON du panneau avant, l’appareil consomme

une faible quantité de courant. Cet état est appelé mode veille.

L’alimentation électrique de cet appareil est coupée

complètement de la ligne d’alimentation CA seulement

lorsqu’on a mis l’interrupteur POWER du panneau arrière sur

la position OFF ou qu’on a débranché le cordon d’alimentation

CA.

Bien que cet appareil soit doté d’un blindage magnétique, il est

possible que la couleur des images d’un téléviseur placé à

proximité en soit affectée. Dans ce cas, éloigner cet appareil

du téléviseur.

PRECAUTIONS D’USAGE: Tenir compte des précautions ci-dessous avant de

faire fonctionner l’appareil.

Nous vous remercions d’avoir porté votre choix sur ce subwoofer de YAMAHA.

F-2

TABLE DES MATIERES

DEBALLAGE ......Intérieur du couvercle avant

PRECAUTIONS D’USAGE .......................1

CARACTERISTIQUES .............................2

POSITIONNEMENT..................................3

CONNEXIONS ......................................... 4

Raccordement aux bornes de sortie de

ligne (fiche jack) de l’amplificateur

........... 4

Raccordement aux bornes de sortie

d’enceintes de I’amplificateur ................ 6

LES COMMANDES ET LEURS

FONCTIONS ............................................ 8

FONCTION DE COMMUTATION

D’ALIMENTATION AUTOMATIQUE ........ 9

REGLAGE DU SUBWOOFER AVANT

L’UTILISATION ...................................... 10

Caractéristiques de fréquence ............ 11

ADVANCED YAMAHA ACTIVE SERVO

TECHNOLOGY...................................... 12

EN CAS DE DIFFICULTE ...................... 13

CARACTERISTIQUES

TECHNIQUES........................................ 14

CARACTERISTIQUES

● Ce subwoofer utilise Advanced YAMAHA Active

Servo Technology mise au point par YAMAHA pour

la reproduction de basses fréquences de meilleure

qualité. (En ce qui concerne Advanced YAMAHA

Active Servo Technology, se reporter à la page 12.)

Ces basses fréquences ajoutent un effet réaliste

cinématographique aux sons fournis par une

chaîne stéréo.

● Ce subwoofer peut être facilement ajouté à votre

chaîne actuelle en le raccordant soit aux bornes

d’enceintes soit aux bornes de sortie de ligne

(fiche Cinch) de l’amplificateur.

● Pour utiliser au mieux les possibilités de cet

appareil, les basses fréquences de ce subwoofer

doivent être harmonisés avec les sons des

enceintes principales. De plus, il est possible

d’optimiser la qualité sonore suivant les conditions

d’écoute au moyen de la commande HIGH CUT et

du commutateur PHASE.

● La fonction commutation d’alimentation

automatique évite d’avoir à appuyer sur la touche

STANDBY/ON pour mettre le subwoofer sous et

hors tension.

● L’effet de basses peut être réglé en fonction de la

source à l’aide du commutateur BASS.

F-3

Français

POSITIONNEMENT

L’utilisation d’un seul subwoofer dans une chaîne donne

déjà de bons résultats, cependant l’utilisation de deux

subwoofer est recommandée pour accroître l’effet du son.

Lorsqu’on utilise un seul subwoofer, il est recommandé de

le placer sur le côté extérieur de l’enceinte principale droite

ou gauche. (Voir la fig. Å.) Lorsqu’on utilise deux

subwoofer, il est recommandé de les placer sur le côté

extérieur de chacune des enceintes principales. (Voir la fig.

ı.) Il est également possible de positionner les enceintes

comme indiqué à la fig. Ç ; cependant, si le subwoofer est

placé directement contre le mur, l’effet de basse pourra se

trouver supprimé car le son émis par l’enceinte et le son

renvoyé par le mur s’annuleront mutuellement. Pour éviter

ce problème, placer le subwoofer à angle oblique par

rapport au mur, comme indiqué sur la fig. Å ou ı.

Remarque

Les sons de très basses fréquences du subwoofer peuvent

quelquefois être trop faiblement perçus à partir d’une position

d’écoute en milieu de pièce. Les ondes renvoyées par deux murs

parallèles peuvent en effet s’annuler mutuellement et supprimer

les sons de basses.

Dans un tel cas, diriger le subwoofer obliquement par rapport au

mur. Il peut être également nécessaire de modifier le parallélisme

des surfaces murales en plaçant des étagères etc. le long des murs.

( : Subwoofer, : Enceintes principales)

Utiliser les tampons anti-dérapage

Mettre les tampons anti-dérapage fournis aux quatre coins

du bas du subwoofer afin d’empêcher le subwoofer de

bouger sous l’effet des vibrations, etc.

Çı

F-4

BASS

MUSIC NORMMOVIE REV HIGH

LOW

OFF

PHASE AUTO

STANDBY

OUTPUT

TO SPEAKERS

INPUT

FROM AMPLIFIER

/MONO

POWER

OFF

SPLIT SUBWOOFER

SUBWOOFER

(LOW PASS)

OUTPUT

TO SPEAKERS

/MONO

INPUT

FROM AMPLIFIER

CONNEXIONS

Attention: Brancher le subwoofer et les autres composants audio/vidéo après avoir accompli

tous les raccordements.

● Tous les branchements doivent être effectués correctement, c’est-à-dire entre “L” (gauche) et “L”, entre “R” (droite) et “R”,

entre “+” et “+” et entre “–” et “–”. Voir aussi le mode d’emploi de chacun des appareils.

● Le subwoofer peut être raccordé soit aux bornes de sortie de ligne (fiche jack) soit aux bornes de sortie d’enceintes de

l’amplificateur. Choisir parmi les possibilités illustrées dans ce chapitre celle qui convient le mieux à votre chaîne. Voir aussi

le mode d’emploi de l’appareil branché au subwoofer.

Fondamentalement, raccorder le subwoofer à la (aux) borne(s) de sortie de ligne (prise à broche) de l’amplificateur. (Pour

plus de détails, se reporter aux pages 4 et 5.) Si l’amplificateur n’est pas équipé d’une borne de sortie de ligne, raccorder le

subwoofer aux bornes de sortie d’enceintes de l’amplificateur. (Pour plus de détails, se reporter aux pages 6 et 7.)

Subwoofer

Amplificateur

Vers une prise CA

● Pour effectuer le raccordement à un amplificateur

YAMAHA DSP (ou récepteur AV), raccorder la borne

SUBWOOFER (ou LOW PASS, etc.) située à l’arrière de

l’amplificateur DSP (ou récepteur AV) à la borne L/

MONO INPUT2 gauche (L) ou bien droite (R) du

subwoofer.

Raccorder les enceintes principales aux bornes de sortie d’enceintes de l’amplificateur.

● Lorsqu’on raccorde le subwoofer aux bornes SPLIT

SUBWOOFER à l’arrière de l’amplificateur DSP, veiller à

raccorder la borne L/MONO INPUT2 au côté “L” et les

bornes R INPUT2 au côté “R” des bornes SPLIT

SUBWOOFER.

Câbles à fiches

(non inclus)

Raccordement aux bornes de sortie de ligne (fiche jack) de l’amplificateur

m Utilisation d’un seul subwoofer

Enceintes

principale gauche

Enceintes principale droite

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