Yamaha Audio YST-SW800 User Manual
YST-SW800
Active Servo Processing Subwoofer System
Caisson de grave avec asservissement actif
U C A
OWNER’S MANUAL
MODE D’EMPLOI
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
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 Lightning – For added protection for this product during
a lightning storm, or when it is left unattended and
unused for long periods of time. Unplug it from the wall
outlet and disconnect the antenna or cable system.
This will prevent damage to the product due to lightning
and power-line surges.
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.
II
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
IV
Thank you for selecting this YAMAHA Subwoofer System.
CAUTION: Read this before operating your unit.
English
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.
<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 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.
E-1
E-2
CONTENTS
SAFETY INSTRUCTIONS ....................... II
UNPACKING ........................................... IV
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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