UB
YST-SW305/205
Active Servo Processing Subwoofer System
OWNER’S MANUAL
I
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
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.
WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
SAFETY INSTRUCTIONS
1Read these instructions.
2Keep these instructions.
3Heed all warnings.
4Follow all instructions.
5Do not use this apparatus near water.
6Clean only with dry cloth.
7Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
8Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
9Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
10Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
11Only use attachments/accessories specified by the manufacturer.
12Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/ apparatus combination to avoid injury from tip-over.
13Unplug this apparatus during lightning storms or when unused for long periods of time.
14Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
II
FCC INFORMATION (for US customers only)
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IMPORTANT NOTICE : DO NOT MODIFY THIS |
Compliance with FCC regulations does not guarantee that |
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UNIT! |
interference will not occur in all installations. If this |
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This product, when installed as indicated in the |
product is found to be the source of interference, which |
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instructions contained in this manual, meets FCC |
can be determined by turning the unit “OFF” and “ON”, |
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requirements. Modifications not expressly approved |
please try to eliminate the problem by using one of the |
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by Yamaha may void your authority, granted by the |
following measures: |
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FCC, to use the product. |
Relocate either this product or the device that is being |
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2. |
IMPORTANT : When connecting this product to |
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affected by the interference. |
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accessories and/or another product use only high |
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quality shielded cables. Cable/s supplied with this |
Utilize power outlets that are on different branch (circuit |
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product MUST be used. Follow all installation |
breaker or fuse) circuits or install AC line filter/s. |
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instructions. Failure to follow instructions could void |
In the case of radio or TV interference, relocate/reorient |
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your FCC authorization to use this product in the |
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USA. |
the antenna. If the antenna lead-in is 300 ohm ribbon |
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3. NOTE : This product has been tested and found to |
lead, change the lead-in to coaxial type cable. |
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comply with the requirements listed in FCC |
If these corrective measures do not produce satisfactory |
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Regulations, Part 15 for Class “B” digital devices. |
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results, please contact the local retailer authorized to |
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Compliance with these requirements provides a |
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distribute this type of product. If you can not locate the |
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reasonable level of assurance that your use of this |
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appropriate retailer, please contact Yamaha Electronics |
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product in a residential environment will not result in |
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Corp., U.S.A. 6660 Orangethorpe Ave, Buena Park, CA |
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harmful interference with other electronic devices. |
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90620. |
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This equipment generates/uses radio frequencies |
The above statements apply ONLY to those products |
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and, if not installed and used according to the |
distributed by Yamaha Corporation of America or its |
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instructions found in the users manual, may cause |
subsidiaries. |
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interference harmful to the operation of other |
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electronic devices. |
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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.
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.
Nonskid pads
IV
Thank you for selecting this YAMAHA Subwoofer System.
CAUTION: Read this before operating your unit.
●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.
<For U.K. and Europe models only>
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 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.
●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 cable is disconnected.
This unit features a magnetically shielded design, but there is still a chance that placing it too close to a TV set might impair picture color. Should this happen, move this unit away from the TV set.
1
CONTENTS
SAFETY INSTRUCTIONS ....................... |
II |
UNPACKING ........................................... |
IV |
CAUTION .................................................. |
1 |
FEATURES ............................................... |
2 |
PLACEMENT ............................................ |
3 |
CONNECTIONS ....................................... |
4 |
Connecting to line output (pin jack) |
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terminals of the amplifier ....................... |
4 |
Connecting to speaker output terminals |
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of the amplifier ....................................... |
6 |
CONTROLS AND THEIR FUNCTIONS ... 8
AUTOMATIC POWER-SWITCHING |
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FUNCTION ............................................... |
9 |
ADJUSTING THE SUBWOOFER |
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BEFORE USE ........................................ |
10 |
Frequency characteristics.................... |
11 |
ADVANCED YAMAHA ACTIVE SERVO |
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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 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 or turn it to the STANDBY mode.
•You can select bass effect suitable for the source by using the B.A.S.S. button.
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