Active Servo Technology

POWERED MULTIMEDIA SPEAKERS

YST-M8

CAUTION
RISK OF ELECTRIC SHOCK DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
Explanation of Graphical Symbols
The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert you to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert you to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.
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VOLUME

OWNERS MANUAL / MODE DEMPLOI English.. 4 Franais.. 9

SAFETY INSTRUCTIONS

5 Read Instructions All the safety and operating instructions should be read before the unit is operated. Retain Instructions The safety and operating instructions should be retained for future reference. Heed Warnings All warnings on the unit and in the operating instructions should be adhered to. Follow Instructions All operating and other instructions should be followed. Water and Moisture The unit should not be used near water for example, near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, or near a swimming pool, etc. Carts and Stands The unit should be used only with a cart or stand that is recommended by the manufacturer. 11 Power-Cord Protection Power-supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the unit. 12 Cleaning The unit should be cleaned only as recommended by the manufacturer. 13 Nonuse Periods The power cord of the unit should be unplugged from the outlet when left unused for a long period of time. 14 Object and Liquid Entry Care should be taken so that objects do not fall into and liquids are not spilled into the inside of unit. 15 Damage Requiring Service The unit should be serviced by qualified service personnel when: A. The power-supply cord or the plug has been damaged; or B. Objects have fallen, or liquid has been spilled into the unit; or C. The unit has been exposed to rain; or D. The unit does not appear to operate normally or exhibits a marked change in performance; or E. The unit has been dropped, or the enclosure damaged. 16 Servicing The user should not attempt service the unit beyond those means described in the operating instructions. All other servicing should be referred to qualified service personnel. 17 Power Lines An outdoor antenna should be located away from power lines. 18 Grounding or Polarization Precautions should be taken so that the grounding or polarization is not defeated.

6A An unit and cart combination should be moved with care. Quick stops, excessive force, and uneven surfaces may cause the unit and cart combination to overturn. Wall or Ceiling Mounting The unit should be mounted to a wall or ceiling only as recommended by the manufacturer. Ventilation The unit should be situated so that its location or position does not interfere with its proper ventilation. For example, the unit should not be situated on a bed, sofa, rug, or similar surface, that may block the ventilation openings; or placed in a built-in installation, such as a bookcase or cabinet that may impede the flow of air through the ventilation openings. Heat The unit should be situated away from heat sources such as radiators, stoves, or other appliances that produce heat.
10 Power Sources The unit should be connected to a power supply only of the type described in the operating instructions or as marked on the unit.
FCC INFORMATION (for US customers only)
1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT! This product, when installed as indicated in the instructions contained in this manual, meets FCC requirements. Modifications not expressly approved by Yamaha may void your authority, granted by the FCC, to use the product. IMPORTANT: When connecting this product to accessories and/or another product use only high quality shielded cables. Cable/s supplied with this product MUST be used. Follow all installation instructions. Failure to follow instructions could void your FCC authorization to use this product in the USA. NOTE: This product has been tested and found to comply with the requirements listed in FCC Regulations, Part 15 for Class B digital devices. Compliance with these requirements provides a reasonable level of assurance that your use of this product in a residential environment will not result in harmful interference with other electronic devices. This equipment generates/uses radio frequencies and, if not installed and used according to the instructions found in the users manual, may cause interference harmful to the operation of other electronic devices. Compliance with FCC regulations does not guarantee that interference will not occur in all installations. If this product is found to be the source of interference, which can be determined by turning the unit OFF and ON, please try to eliminate the problem by using one of the following measures: Relocate either this product or the device that is being affected by the interference. Utilize power outlets that are on different branch (circuit breaker of fuse) circuits or install AC line filter/s. In the case of radio or TV interference, relocate/reorient the antenna. If the antenna lead-in is 300 ohm ribbon lead, change the lead-in to coaxial type cable. If these corrective measures do not produce satisfactory results, please contact the local retailer authorized to distribute this type of product. If you can not locate the appropriate retailer, please contact Yamaha Corporation of America, 6600 Orangethorpe Ave, Buena Park, CA 90620 The above statement apply ONLY to those products distributed by Yamaha Corporation of America or its subsidiaries.

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. POUR LES CONSOMMATEURS CANADIENS POUR VITER LES CHOCS LECTRIQUES, INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE ET POUSSER JUSQUAU FOND. CET APPAREIL NUMRIQUE DE LA CLASSE B EST CONFORME LA NORME NMB-003 DU CANADA.
WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.
We Want You Listening For A Lifetime
YAMAHA and the Electronic Industries Associations Consumer Electronics Group want you to get the most out of your equipment by playing it at a safe level. One that lets the sound come through loud and clear without annoying blaring or distortion and, most importantly, without affecting your sensitive hearing. Since hearing damage from loud sounds is often undetectable until it is too late, YAMAHA and the Electronic Industries Associations Consumer Electronics Group recommend you to avoid prolonged exposure from excessive volume levels.
System Example / Exemple de connexion
POWERED SPEAKER MODEL NO. YST-M8 SER. NO.
POWERED MULTIMEDIA SUBWOOFER YST-MSW8

INPUT 1

INPUT 2

TO RIGHT SPEAKER

TO LEFT SPEAKER OUTPUT

(ADJ.VOL.)

DC 12V

MADE IN CHINA

1 PORTABLE CD PLAYER / LECTEUR DE CD PORTATIF 2 KEYBOARD / CLAVIER / KEYBOARD 3 CD-ROM PLAYER / LECTEUR DE CD ROM 4 PERSONAL COMPUTER / ORDINATEUR INDIVIDUEL 5 SUBWOOFER / HAUTEUR PARLEUR DEXTREME-GRAVE 6 3.5 mm stereo mini plug cable / Cble minifiches stro 3,5 mm 7 RCA plug cable / Cble fiches RCA 8 AC Adaptor / Adaptateur CA
* The AC adaptor varies depending on the country of destination. / Le modle de ladaptateur secteur dpend du pays de destination.
Front & Rear Panel / Face et Face arrire
POWERED MULTIMEDIA SPEAKERS MODEL NO. YST-M8 SER. NO.
INPUT 2 TO LEFT SPEAKER OUTPUT
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Thank you for purchasing Yamahas YST-M8 Powered Multimedia Speakers. Yamahas Active Servo Technology offers exceptional high performance.

Cautions

Please read the following operating precautions before use: Use the AC adaptor designed specifically for the YST-M8 only. Yamaha cannot be held responsible for damage caused by using other power supply adaptors. When disconnecting the AC adaptor from an AC receptacle, hold and pull the adaptor, not the power cord. If the YST-M8 are not going to be used for a while, disconnect the AC adaptor from the AC receptacle. Always disconnect the AC adaptor from the AC receptacle before making any connections. YST-M8 do not contain any user serviceable parts. Refer all servicing to your Yamaha dealer. Do not expose the YST-M8 to temperature extremes, direct sunlight, excessive dust, humidity, or vibration. Place the YST-M8 on a level, stable surface. Do not drop the YST-M8, apply excessive force to their controls, or put heavy items on top of them. If the YST-M8 should require cleaning, use a soft cloth. If necessary, use a damp cloth. To protect the YST-M8 speakers, avoid microphone feedback, continuous and excessive output from electronic musical instruments amplifiers signal distortion. If the YST-M8 are located close to fluorescent or neon type lights, a slight hum may be heard. In this case, relocate the YST-M8 away from the light. Although the YST-M8 speakers are magnetically shielded, keep floppy disks and tapes away from them. The YST-M8 may cause picture distortion when placed close to a television or computer monitor. In this case, move them away a little. This unit is not disconnected from the AC power source as long as it is connected to the wall outlet, even if this unit itself is turned off. This state is called the standby mode. In this state, this unit is designed to consume a very small quantity of power.

Connections

Refer to page 4 for system connections.
Rear Panel (right cabinet)

(Refer to page 5)

1 INPUT 1 and 2: These are 3.5 mm jack connections for inputting signals to
the YST-M8. Using these two inputs will mix two input signals. For example, you may connect your CD-ROM player and personal computer to these input terminals.
2 TO LEFT SPEAKER: This should be connected to the TO RIGHT 3 4
SPEAKER connection on the left-channel cabinet using the supplied RCA plug cable. OUTPUT (ADJ. VOL.): This 3.5 mm stereo jack outputs the input signal after the VOLUME control. DC 12V: Connect the supplied AC adaptor to this connection.

Rear Panel (left cabinet)
5 TO RIGHT SPEAKER: This should be connected to the TO LEFT
SPEAKER connection on the right cabinet using the supplied RCA plug cable.

Controls

Front Panel (right cabinet) (Refer to page 5)
(power) switch and indicator: Press the (power) switch to turn on the YST-M8; the indicator will light up. Press it again to turn off. Before turning on and off, turn down the VOLUME control. to increase the volume, and counterclockwise to reduce it.

Specifications

Type Active Servo Technology Output power 5 W + 5 W (1 kHz, 4 ) Input sensitivity 200 mV (1 kHz, 4 at 5 W) Input Impedance 25 k Frequency response 80 Hz to 20 kHz Speaker unit 6.5 cm (2.5") full-range cone, magnetic shielding Output Impedance 600 Output level 0.9 V (at 200 mV Rated Input) Power supply DC 12 V U.S.A. and Canada models AC 120 V, 60 Hz Europe and U.K. models AC 230 V, 50 Hz Australia model AC 240 V, 50 Hz Dimensions (WHD) 86 (/8") 216 (/2") 130 (/8") mm Weight 0.7 kg (1 lb 9 oz.)/Right channel unit 0.6 kg (1 lb 5 oz.)/Left channel unit Finish YST-M8 W: Computer white YST-M8 B: Black Accessories AC adaptor 1 3.5 mm stereo mini plug cable 1 RCA plug cable non skid pads 1 * Specifications subject to change without notice.
7 VOLUME control: Use this control to set the volume level. Turn it clockwise 8 TONE control: This control allows frequency boost and cut up to 7 dB at
10 kHz. This tends to emphasize vocals, providing a warmer intimate sound. Turn it clockwise to boost, and counterclockwise to cut. 9 (headphones) jack: Use this jack to connect stereo headphones for monitoring. No sound is output from the speakers or the OUTPUT (ADJ.VOL.) jack when headphones are connected.

Non skid Pads

The pads supplied with the YST-M8 should be stuck onto the bottom of each speaker cabinet as shown. As well as preventing the YST-M8 from slipping around, these pads also isolate the cabinet from the mounting surface.

English

Troubleshooting
If your speakers fail to operate normally, check the following table. It lists common operating errors and simple measures which you can take to correct the problem. If it cannot be corrected, or the symptom is not listed, disconnect the speakers AC adaptor and contact your authorized YAMAHA dealer or service center for help.
No sound comes from one, or both of the speakers. No sound comes from the unit connected to the OUTPUT (ADJ.VOL.) jack on the rear panel.
The AC adaptor is not properly plugged in to the wall outlet. The (power) switch is turned OFF. Connections are faulty or incomplete. The volume is set to minimum. The signal being input is too small. Headphones are connected. (No sound comes from the OUTPUT jack when headphones are connected.)
Insert the AC adaptor firmly into the wall outlet. Turn ON the (power) switch (the indicator lights). Make the connections again, firmly, or use a different cable. Turn VOLUME control to the right to increase the volume. Turn up the volume on the connected component. Disconnect the headphones.

Sound is distorted. Noise is heard when the power is turned on.
The signal being input is too large. The power cord of this unit is connected to another units SWITCHED AC OUTLET.
Turn down the volume on the connected component. Connect the power cord to an UNSWITCHED AC OUTLET. Make sure to use the (power) switch on this unit to turn on and off. Make the connections again, firmly, or use a different cable.

Noise.

Connections are faulty or incomplete.
Even if the (power) switch is set to off, a small amount of sound may be heard from the headphones if the VOLUME control is turned fully clockwise to the maximum position.
IMPORTANT! Please record the serial number of this unit in the space below. Model: Serial No.: The serial number is located on the rear of the unit. Retain this Owners Manual in a safe place for future reference.

Printed in China

V287500

POWERED MULTIMEDIA SUBWOOFER

YST-MSW8

Active Servo Technology
POWERED MULTIMEDIA SUBWOOFER YST-MSW8

BASS VOLUME

OWNERS MANUAL / MODE DEMPLOI English.1 Franais..5
Explanation of Graphical Symbols

CAUTION

RISK OF ELECTRIC SHOCK DO NOT OPEN
The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert you to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
The exclamation point within an equilateral triangle is intended to alert you to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.
WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.
IMPORTANT! Please record the serial number of this unit in the space below. Model: Serial No.: The serial number is located on the rear of the unit. Retain this Owners Manual in a safe place for future reference.

SAFETY INSTRUCTIONS

Read Instructions All the safety and operating instructions should be read before the unit is operated. Retain Instructions The safety and operating instructions should be retained for future reference. Heed Warnings All warnings on the unit and in the operating instructions should be adhered to. Follow Instructions All operating and other instructions should be followed. Water and Moisture The unit should not be used near water for example, near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, or near a swimming pool, etc. Carts and Stands The unit should be used only with a cart or stand that is recommended by the manufacturer. should be moved with care. Quick stops, excessive force, and uneven surfaces may cause the unit and cart combination to overturn.
10 Power Sources The unit should be connected to
a power supply only of the type described in the operating instructions or as marked on the unit.
11 Power-Cord Protection Power-supply cords
should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the unit.
12 Cleaning The unit should be cleaned only as recommended by the manufacturer.
13 Nonuse Periods The power cord of the unit
should be unplugged from the outlet when left unused for a long period of time.
14 Object and Liquid Entry Care should be taken so
that objects do not fall into and liquids are not spilled into the inside of unit.
6A An unit and cart combination
15 Damage Requiring Service The unit should be
serviced by qualied service personnel when:
A. The power-supply cord or the plug has been

damaged; or

B. Objects have fallen, or liquid has been spilled

into the unit; or

Wall or Ceiling Mounting The unit should be mounted to a wall or ceiling only as recommended by the manufacturer. Ventilation The unit should be situated so that its location or position does not interfere with its proper ventilation. For example, the unit should not be situated on a bed, sofa, rug, or similar surface, that may block the ventilation openings; or placed in a built-in installation, such as a bookcase or cabinet that may impede the ow of air through the ventilation openings. Heat The unit should be situated away from heat sources such as radiators, stoves, or other appliances that produce heat.
C. The unit has been exposed to rain; or D. The unit does not appear to operate normally or
exhibits a marked change in performance; or
E. The unit has been dropped, or the enclosure

damaged.

16 Servicing The user should not attempt service
the unit beyond those means described in the operating instructions. All other servicing should be referred to qualied service personnel.
17 Power Lines An outdoor antenna should be
located away from power lines.

18 Grounding or Polarization Precautions should be
taken so that the grounding or polarization is not defeated.
FCC INFORMATION (for US customers only)
1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT! This product, when installed as indicated in the
instructions contained in this manual, meets FCC requirements. Modications not expressly approved by Yamaha may void your authority, granted by the FCC, to use the product. Compliance with FCC regulations does not guarantee that interference will not occur in all installations. If this product is found to be the source of interference, which can be determined by turning the unit OFF and ON, please try to eliminate the problem by using one of the following measures: Relocate either this product or the device that is being affected by the interference. Utilize power outlets that are on different branch (circuit breaker of fuse) circuits or install AC line lter/s. In the case of radio or TV interference, relocate/reorient the antenna. If the antenna lead-in is 300 ohm ribbon lead, change the lead-in to coaxial type cable. If these corrective measures do not produce satisfactory results, please contact the local retailer authorized to distribute this type of product. If you can not locate the appropriate retailer, please contact Yamaha Corporation of America, 6600 Orangethorpe Ave, Buena Park, CA 90620 The above statement apply ONLY to those products distributed by Yamaha Corporation of America or its subsidiaries.
2. IMPORTANT: When connecting this product to accessories and/or another product use only high quality shielded cables. Cable/s supplied with this product MUST be used. Follow all installation instructions. Failure to follow instructions could void your FCC authorization to use this product in the USA.
3. NOTE: This product has been tested and found to comply
with the requirements listed in FCC Regulations, Part 15 for Class B digital devices. Compliance with these requirements provides a reasonable level of assurance that your use of this product in a residential environment will not result in harmful interference with other electronic devices. This equipment generates/uses radio frequencies and, if not installed and used according to the instructions found in the users manual, may cause interference harmful to the operation of other electronic devices.

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.
POUR LES CONSOMMATEURS CANADIENS
POUR VITER LES CHOCS LECTRIQUES, INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE ET POUSSER JUSQUAU FOND. CET APPAREIL NUMRIQUE DE LA CLASSE B EST CONFORME LA NORME NMB-003 DU CANADA.
We Want You Listening For A Lifetime
YAMAHA and the Electronic Industries Associations Consumer Electronics Group want you to get the most out of your equipment by playing it at a safe level. One that lets the sound come through loud and clear without annoying blaring or distortion and, most importantly, without affecting your sensitive hearing. Since hearing damage from loud sounds is often undetectable until it is too late, YAMAHA and the Electronic Industries Associations Consumer Electronics Group recommend you to avoid prolonged exposure from excessive volume levels.
System Example / Exemple de connexion Example 1

LINE IN LINE OUT

ABOVE 150Hz

AUTO STANDBY

INPUT 1

ON OFF

INPUT 2

TO LEFT SPEAKER

OUTPUT

(ADJ. VOL)

VOLUME

LINE IN

LINE OUT

DC 12V

Example 2

YST-MSW8 or

STEREO INPUT

OUTPUT to DC 14V

To Left Speaker

YST-M10

POWERED MONITOR SPEAKER

Actve Servo Technology

POWER PRESENCE VOLUME

SER NO.

English
1 Powered Main Speakers with Connecter for 6

Franais

1 Enceintes actives principales avec borne pour
Subwoofer 3.5 mm stereo mini-plug cable (not include) 3.5 mm stereo mini-plug cable (Accessories) Personal computer Portable CD player Powered Main Speakers

subwoofer

2 Cble avec ches mini-jack stro 3,5 mm

(Pas fourni)

3 Cble avec ches mini-jack stro 3,5 mm

(Accessoires)

4 Ordinateur individuel 5 Lecteur de CD portatif 6 Enceintes actives principales

Cautions

Please read the following operating precautions before use:
When disconnecting the AC power cord from an AC receptacle, hold and pull the plug, not the power cord. If the YST-MSW8 is not going to be used for a while, disconnect the AC power cord from the AC receptacle. Always disconnect the AC power cord from the AC receptacle before making any connections. The YST-MSW8 does not contain any user serviceable parts. Refer all servicing to your Yamaha dealer. Never open the cabinet. If a foreign object drops into the set, contact your dealer, and do not use the YST-MSW8. Otherwise, you may cause a re. Do not expose the YST-MSW8 to temperature extremes, direct sunlight, excessive dust, humidity, or vibration. Position the YST-MSW8 on a level, stable surface. Do not drop the YST-MSW8, apply excessive force to their controls, or put heavy items on top of them. Since this unit has a built-in power amplier, heat will radiate from the rear panel. Therefore, place the unit apart from the walls, allowing a space of at least 10 cm (3-15/16") above, behind and on the both sides of the unit. Also, do not position with the rear panel facing down on the oor or other surface. Do not obstruct the port with your hand or a foreign object. To protect the YST-MSW8 speaker, avoid microphone feedback, continuous and excessive output from electronic musical instruments, and excessive signal distortion. If the YST-MSW8 is located close to uorescent or neon lights, a slight hum may be heard. In this case, relocate the YST-MSW8 away from the light. Although the YST-MSW8 speaker is magnetically shielded, keep oppy disks and tapes away from them. The YST-MSW8 may cause picture distortion when located close to a television or computer monitor. In this case, move them away a short distance. Avoid sources of hum (transformers, motors). To prevent re or electrical shock, do not expose to rain and water. Do not use force on switches, knobs or cords. When moving the YST-MSW8, rst turn the YST-MSW8 off. Always turn the volume control counterclockwise before starting to play the audio source: increase the volume gradually to an appropriate level after the playback has started.

This unit is not disconnected from the AC power source as long as it is connected to the wall outlet, even if this unit itself is turned off. This state is called the standby mode. In this state, this unit is designed to consume a very small quantity of power.
Connections & Controls

Front Panel

Refer to the illustrations on page 1.
(power) switch and indicator: Press the (power) switch to turn on the YST-MSW8; the power indicator lights up. Press again to turn off. Turn down the BASS and VOLUME controls before turning on and off the YST-MSW8.
of the YST-MSW8. Turn it clockwise to increase the volume; counterclockwise to decrease it.
2 BASS control: Use this control to adjust the volume 3 VOLUME control: Use this control to adjust the volume of the YST-MSW8 and other equipment connected to the rear panel LINE OUT jack.
Rear Panel 4 LINE IN: This 3.5 mm jack is used to input signals to

the YST-MSW8.

5 LINE OUT: This jack is used to output the LINE IN
signal to the main speakers. The low frequencies of the signal are cut before being output to the speakers. This prevents small speakers from becoming overloaded.
6 AUTO STANDBY switch: When the AUTO
STANDBY switch is in the ON position, and no input signal is received after 510 minutes, the unit turns into the standby mode automatically. (and the power indicator dims*) When an input signal is received, the unit is turned back on automatically. When the AUTO STANDBY switch is in the OFF position, this AUTO STANDBY on/off function doesnt work.
* U.K. and Europe model only.
Note: The unit may turn off automatically when the input signal level is very low. If this does occur, increase the output level from the source device and reduce the YST-MSW8 VOLUME control accordingly.
Thank you for purchasing Yamahas YST-MSW8 Powered Multimedia Subwoofer. Yamahas Active Servo Technology offers exceptionally high performance.

Volume Adjustment

If the YST-MSW8 is connected to an output jack for a sub-woofer on a powered main speaker (such as the Yamaha YST-M15, YST-M8, etc.) as shown in System example 1 on page 1, raise the VOLUME control of the YST-MSW8 to the maximum and set the BASS control to the noon or one-oclock position. Then, use the volume control of the powered main speakers to adjust the overall volume. If the powered main speakers are connected to the YST-MSW8s LINE OUT jack as shown in System example 2 on page 1, set the YST-MSW8s BASS control to the noon or one-oclock position and raise the volume control of the powered main speakers to the maximum. Then, use the YST-MSW8s VOLUME control to adjust the overall volume.

Troubleshooting

If the speakers fail to operate normally, check the following table. It lists common operation errors and simple measures that you can take to correct problems. If a problem cannot be corrected, or the symptom is not listed, disconnect the AC power cord and contact your authorized YAMAHA dealer or service center for help.
FAULT No sound comes from the speakers or subwoofer. CAUSE The AC power cord is not properly plugged into the wall outlet. The (power) switch is turned OFF. Connections are faulty or incomplete. The volume is set to minimum. CURE Insert the AC power cord rmly into the wall outlet. Turn ON the (power) switch (the indicator lights). Make the connections again, rmly, or use a different cable. Turn the subwoofer VOLUME control to the right to increase the volume. Turn the speaker VOLUME control to the right to increase the volume. Turn up the volume on the connected component.
Make the connections again, rmly, or use a different cable. Noise is heard when the The power cord of this unit connected Connect the power cord to an UNSWITCHED AC power is turned on. to another units SWITCHED AC OUT- OUTLET. LET. Make sure to use the (power) switch on this unit to turn the power on and off. Power is not supplied The power plug is not securely conConnect it securely. even though the nected. (power) switch is ON. No sound. The volume is set to 0. Turn the VOLUME control to right. Speaker cables are not connected Connect them securely. securely. Sound level is too low. Speaker cables are connected incorrectly. Connect them correctly. A source sound with few bass frequen- Play a source sound with bass frequencies. Turn cies is played. the VOLUME control to right. It is inuenced by standing waves. Relocate the subwoofer or break up the parallel surface by placing bookshelves etc. along the walls. The AUTO STANDBY The (power) switch is turned off. Turn the (power) switch on. function doesnt work. The source input signal is too low. Raise the input signal level to appropriate level. The AUTO STANDBY The source input signal is too low. Raise the input signal level to appropriate level. function activates unintentionally. Power is turned on acci- The other equipments hum interrupts Relocate the YST-MSW8 or cable wiring. Otherdentally when the AUTO (i.e. computer, digital device). wise, do not use the AUTO STANDBY function. STANDBY function is set to ON.

Noise.

The level of the signal being input is too low. Connections are faulty or incomplete.

Specications

Type.. Active Servo Technology Output power.. 15 W (100 Hz, 4 at T.H.D.=10%) Input sensitivity. 45 mV (100 Hz, 4 at 15 W) Input impedance. 20 k Frequency response. 40 to 250 Hz (10 dB) Speaker unit. 12 cm (5") cone, magnetic shielding Output impedance. 600 Output level.. 45mV (at 45mV Rated Input) Power consumption. 20 W Power supply U.S.A. and Canada models.AC 120 V, 60 Hz Australia model.AC 240 V, 50 Hz U.K. and Europe models. AC 230 V, 50 Hz General model.. AC 110/120/220/240 V, 50/60 Hz Dimensions (W H D) 148 (5-13/16") 283 (11-1/8") 210 (8-1/4") mm Weight.. 4 kg (8 lbs. 13 oz.) Finish YST-MSW8 W. Computer white YST-MSW8 B.. Black Accessories 3.5 mm stereo mini-plug cable (1.8m) 1

* Specications subject to change without notice.

Printed in China

V287530