Yamaha Audio YST-SW320 User Manual

YST-SW320

Active Servo Processing Subwoofer System

Caisson de grave avec asservissement actif

U C A

OWNER’S MANUAL

MODE D’EMPLOI

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.

IMPORTANT

Please record the serial number of this system in the space below.

Model: Serial No.: The serial number is located on the rear of the main

unit. Retain this Owner’s Manual in a safe place for future reference.

• Explanation of Graphical Symbols

WARNING

TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.

SAFETY INSTRUCTIONS

The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert you to the presence of uninsulated “dangerous voltage” within the product’s 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.

1 Read Instructions – All the safety and operating

instructions should be read before the unit is operated.

2 Retain Instructions – The safety and operating

instructions should be retained for future reference.

3 Heed Warnings – All warnings on the unit and in the

operating instructions should be adhered to.

4 Follow Instructions – All operating and other

instructions should be followed.

5 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.

6 Carts and Stands – The unit should be used only with

a cart or stand that is recommended by the manufacturer.

6A A 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.

7 Wall or Ceiling Mounting – The unit should be mounted

to a wall or ceiling only as recommended by the manufacturer.

8 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 builtin installation, such as a bookcase or cabinet that may impede the flow of air through the ventilation openings.

9 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.

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 the 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 cabinet

damaged.

16 Servicing – The user should not attempt to 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.

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.

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.

Compliance with FCC regulations does not guarantee that interference will not occur in all installations. If this product is found to be the source of interference, which can be determined by turning the unit “OFF” and “ON”, please try to eliminate the problem by using one of the following measures:

Relocate either this product or the device that is being affected by the interference.

Utilize power outlets that are on different branch (circuit breaker or fuse) circuits or install AC line filter/s.

In the case of radio or TV interference, relocate/reorient the antenna. If the antenna lead-in is 300 ohm ribbon lead, change the lead-in to coaxial type cable.

If these corrective measures do not produce satisfactory results, please contact the local retailer authorized to distribute this type of product. If you can not locate the appropriate retailer, please contact Yamaha Electronics Corp., U.S.A. 6660 Orangethorpe Ave, Buena Park, CA

90620. The above statements apply ONLY to those products

distributed by Yamaha Corporation of America or its subsidiaries.

We Want You Listening For A Lifetime

YAMAHA and the Electronic Industries Association’s Consumer Electronics Group want you to get the most out of your equipment by playing it at a safe level. One that lets the sound come through loud and clear without annoying blaring or distortion – and, most importantly, without affecting your sensitive hearing.

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.

Since hearing damage from loud sounds is often undetectable until it is too late, YAMAHA and the Electronic Industries Association’s Consumer Electronics Group recommend you to avoid prolonged exposure from excessive volume levels.

III

UNPACKING After unpacking, check that the following item is contained. DEBALLAGE Après le déballage, vérifier que la pièce suivante est incluse.

Nonskid pads Patins anti-dérapages

Thank you for selecting this YAMAHA Subwoofer System.

CAUTION: Read this before operating your unit.

English

● 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.

● 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 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.

● 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.

● 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.

● VOLTAGE SELECTOR

(China 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 110/120/220/240 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

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.

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.

VOLTAGE

SELECTOR

240V

E-1

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-inthe-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 superbass 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.

QD-Bass Technology

QD-Bass (Quatre Dispersion Bass) technology uses square, pyramid-shaped reflective plates to radiate the sound in four horizontal directions.

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