Yamaha YST-SW005 El kitabı

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Yamaha
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YST-SW005
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El kitabı

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I
OWNER’S MANUAL
U B
YST-SW005
Subwoofer System
II
• 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.
IMPORTANT SAFETY INSTRUCTIONS
1 Read these instructions.
2 Keep these instructions.
3 Heed all warnings.
4 Follow all instructions.
5 Do not use this apparatus near water.
6 Clean only with dry cloth.
7 Do not block any ventilation openings. Install in
accordance with the manufacturer’s instructions.
8 Do not install near any heat sources such as radiators,
heat registers, stoves, or other apparatus (including
amplifiers) that produce heat.
9 Do 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.
10 Protect the power cord from being walked on or
pinched particularly at plugs, convenience receptacles,
and the point where they exit from the apparatus.
11 Only use attachments/accessories specified by the
manufacturer.
12 Use 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.
13 Unplug this apparatus during lightning storms or when
unused for long periods of time.
14 Refer 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.
WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN
OR MOISTURE.
CAUTION
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.
RISK OF ELECTRIC SHOCK
DO NOT OPEN
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 unit.
Retain this Owner’s Manual in a safe place for
future reference.
III
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.
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 product “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.,
6660 Orangethorpe Ave. Buena Park, CA90620
The above statements apply ONLY to those products distributed by Yamaha Corporation of America or its
subsidiaries.
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following conditions:
1) this device may not cause harmful interference, and
2) this device must accept any interference received including interference that may cause undesired operation.
See the user manual instructions if interference to radio reception is suspected.
IV
Nonskid pads
UNPACKING After unpacking, check that the following item is contained.
English
E-1
● 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 electrical 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 space 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., Europe and China models only>
Be sure to allow space 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 put a hand or a foreign object into the YST port. When
moving this unit, do not hold the port as it might cause personal
injury and/or damage to this unit.
● 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 by using at high volume level when
20 Hz–50 Hz sine waves from a test disc, bass sounds from
electronic instruments, etc. are continuously inputted to this unit,
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 on the
rear panel of this unit must be set
for your local main voltage BEFORE
plugging 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.
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.
Standby mode
If the POWER switch is set to the ON position and the AUTO
STANDBY switch is set to the HIGH or LOW position, this unit
turns into the standby mode when no signal is received by this
unit for 7 to 8 minutes.
In this state, this unit is designed to consume a very small
quantity of power.
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.
110V-120V
VOLTAGE
SELECTOR
220V-240V
E-2
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.
● The HIGH CUT switch provides you with two positions
(HIGH and LOW) to adjust the tone balance between the
subwoofer and the main speakers.
● The AUTO STANDBY switch saves you the trouble of
setting the POWER switch to the ON or OFF position.
CONTENTS
IMPORTANT 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
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.
( : subwoofer, : main speaker)
Note
There may be a case that you cannot obtain enough super-
bass sounds from the subwoofer when listening at the
middle 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.
Çı
Å
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.
E-4
INPUT1
FROM AMPLIFIER
OUTPUT
TO SPEAKERS
INPUT2
/MONO
AUTO
STANDBY
OFF
LOW
HIGH
LOW
HIGH
HIGH CUT
OFF
POWER
ON
VOLUME
010
SPLIT SUBWOOFER
SUBWOOFER
(LOW PASS)
INPUT2
/MONO
CONNECTIONS
Caution: Plug in the subwoofer and other 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.
● 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.)
Left main
speaker
Right main
speaker
Subwoofer
Amplifier
To AC outlet
Connecting to line output (pin jack) terminals of the amplifier
● 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.
䡵 Using one 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.
English
E-5
INPUT1
FROM AMPLIFIER
OUTPUT
TO SPEAKERS
INPUT2
/MONO
AUTO
STANDBY
OFF
LOW
HIGH
LOW
HIGH
HIGH CUT
OFF
POWER
ON
VOLUME
010
INPUT1
FROM AMPLIFIER
OUTPUT
TO SPEAKERS
INPUT2
/MONO
AUTO
STANDBY
OFF
LOW
HIGH
LOW
HIGH
HIGH CUT
OFF
POWER
ON
VOLUME
010
SPLIT SUBWOOFER
INPUT2
/MONO
INPUT2
/MONO
Notes
● If your amplifier has two sets of PRE OUT terminals, you
can connect the subwoofer to one of those PRE OUT
terminals.
● When connecting to a monaural line output terminal of
the amplifier, connect the L/MONO INPUT2 terminal.
Left main
speaker
Right main
speaker
Right subwoofer
Amplifier
To AC outlet
䡵 Using two subwoofers
Left subwoofer
To AC outlet
E-6
INPUT1
FROM AMPLIFIER
OUTPUT
TO SPEAKERS
INPUT2
/MONO
AUTO
STANDBY
OFF
LOW
HIGH
LOW
HIGH
HIGH CUT
OFF
POWER
ON
VOLUME
010
AB
INPUT1
FROM AMPLIFIER
OUTPUT
TO SPEAKERS
INPUT1
FROM AMPLIFIER
OUTPUT
TO SPEAKERS
INPUT2
/MONO
AUTO
STANDBY
OFF
LOW
HIGH
LOW
HIGH
HIGH CUT
OFF
POWER
ON
VOLUME
010
INPUT1
FROM AMPLIFIER
OUTPUT
TO SPEAKERS
Connecting to speaker output terminals of the amplifier
䡵 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
speaker
Right 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
speaker
Right main
speaker
Subwoofer
Amplifier
Speaker output terminals
To AC outlet
English
E-7
INPUT1
FROM AMPLIFIER
OUTPUT
TO SPEAKERS
INPUT2
/MONO
AUTO
STANDBY
OFF
LOW
HIGH
LOW
HIGH
HIGH CUT
OFF
POWER
ON
VOLUME
010
INPUT1
FROM AMPLIFIER
OUTPUT
TO SPEAKERS
INPUT2
/MONO
AUTO
STANDBY
OFF
LOW
HIGH
LOW
HIGH
HIGH CUT
OFF
POWER
ON
VOLUME
010
INPUT1
FROM AMPLIFIER
OUTPUT
TO SPEAKERS
INPUT1
FROM AMPLIFIER
OUTPUT
TO SPEAKERS
For connections, keep the speaker cables as short as
possible. Do not bundle or roll up the excess part of the
cables. 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
cables are observed and set correctly. If these cables are
reversed, the sound will be unnatural and lack bass.
How to Connect:
Red: positive (+)
Black: negative (–)
Caution
Do not let the bare speaker wires touch each other as
this could damage the subwoofer or the amplifier, or
both of them.
1 Press and hold the terminal’s tab, as shown in the figure.
2 Insert the bare wire end properly into the terminal hole.
[Remove approx. 10 mm (3/8”) insulation from the
speaker cable.]
3 Release your finger from the tab to allow it to lock
securely on the cable’s wire end.
4 Test the firmness of the connection by pulling lightly on
the cable at the terminal.
䡵 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
speaker
Right main
speaker
Right subwoofer
Speaker output
terminals
To AC outlet
Connecting to the INPUT1/OUTPUT terminals of the subwoofer
Left subwoofer
To AC outlet
Amplifier
➂
➀
➁
E-8
CONTROLS AND THEIR FUNCTIONS
1 Power indicator
Lights up GREEN when the POWER switch (2) is
pressed in to the ON position and goes off when set to
the OFF position.
* Standby mode
If the POWER switch (2) is pressed in to the ON
position and the AUTO STANDBY switch (4) is set
to the HIGH or LOW position, this indicator lights up
RED when no signal is received by the subwoofer.
2 POWER switch
Press this switch to the ON position to turn on the
power of the subwoofer. When the power of the
subwoofer is on, the power indicator (1) on the front
panel lights up GREEN. Press this switch again to set
to the OFF position to turn off the power of the
subwoofer.
3 VOLTAGE SELECTOR switch
(China and General model only)
If the preset setting of the switch is incorrect, set the
switch to the proper voltage range (220V-240V or
110V-120V) of your area.
Consult your dealer if you are unsure of the correct
setting.
WARNING
Be sure to unplug the subwoofer before setting the
VOLTAGE SELECTOR switch correctly.
4 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 explained on page 9. If you do not need
this function, set to the OFF position.
* Make sure to change the setting of this switch only
when the POWER switch (2) is in the OFF position.
5 INPUT2 terminals
Used to input line level signals from the amplifier.
6 INPUT1 (FROM AMPLIFIER) terminals
Used to connect the subwoofer with the speaker
terminals of the amplifier.
7 OUTPUT (TO SPEAKERS) terminals
Can be used for connecting to the main speakers.
Signals from the INPUT1 terminals (6) are sent to
these terminals.
8 VOLUME control
Adjusts the volume level. Turn the control clockwise to
increase the volume, and counterclockwise to
decrease the volume.
9 HIGH CUT (HIGH/LOW) switch
Selects the high frequency cut off point.
Normally, it is set to LOW, however, you may set to
HIGH if necessary. Refer to page 10.
SUBWOOFER SYSTEM YST SW005SUBWOOFER SYSTEM YST-SW005
INPUT1
FROM AMPLIFIER
OUTPUT
TO SPEAKERS
INPUT2
/MONO
AUTO
STANDBY
OFF
LOW
HIGH
LOW
HIGH
HIGH CUT
OFF
POWER
ON
VOLUME
010
220V-240V
110V-120V
VOLTAGE
SELECTOR
6
7
5
9
4
8
INPUT1
FROM AMPLIFIER
OUTPUT
TO SPEAKERS
INPUT2
/MONO
AUTO
STANDBY
OFF
LOW
HIGH
LOW
HIGH
HIGH CUT
VOLUME
010
OFF
POWER
ON
2
110V-120V
VOLTAGE
SELECTOR
220V-240V
3
1
Rear panel
Front panel
Port
English
E-9
If the source being played is stopped and the input signal is
cut off for 7 to 8 minutes, the subwoofer automatically
switches to the standby mode. (When the subwoofer
switches to the standby mode by the automatic power-
switching function, the power indicator lights up in red.)
When you play a source again, the power of the subwoofer
turns on automatically by sensing audio signals input to the
subwoofer.
This function will operate by sensing a certain level of low
frequency input signal. Usually set the AUTO STANDBY
switch to the LOW position. However, if the power is not
switched to ON or STANDBY smoothly, set the switch to the
HIGH position. 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 position and use the
POWER switch to switch the power between ON and OFF
manually.
* This function detects the low-frequency components
below 200 Hz of the input signals (i.e., the explosion in
the action movie, the sound of the bass guitar or the bass
drum, etc.).
* The minutes required to switch the subwoofer to the
standby mode might change by sensing noise from other
appliances.
This function is available only when the power of the
subwoofer is on (by pressing the POWER switch).
AUTOMATIC POWER-SWITCHING FUNCTION
E-10
ADJUSTING THE SUBWOOFER BEFORE USE
1 Set the VOLUME control to minimum (0).
2 Turn on the power of all the other
components.
3 Press the POWER switch to the ON position.
* The power indicator on the front panel lights
up in green.
4 Play a source containing low-frequency
components and adjust the amplifier’s
volume control to the desired listening level.
5 Set the HIGH CUT switch to the LOW or
HIGH position.
This subwoofer is designed so that the
optimum tone balance between the subwoofer
and the main speakers is obtained when this
switch is set to the LOW position. The tone
balance may change, however, depending on
the room size, the distance from the subwoofer
to the main speakers, and so on. If necessary,
switch it to the HIGH position.
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
switch and the VOLUME control again.
Notes
● 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 and the HIGH CUT
switch, refer to “Frequency characteristics” on page 11.
Rear panel
INPUT1
FROM AMPLIFIER
OUTPUT
TO SPEAKERS
INPUT2
/MONO
AUTO
STANDBY
OFF
LOW
HIGH
LOW
HIGH
HIGH CUT
OFF
POWER
ON
VOLUME
010
INPUT1
FROM AMPLIFIER
OUTPUT
TO SPEAKERS
INPUT2
/MONO
AUTO
STANDBY
OFF
LOW
HIGH
LOW
HIGH
HIGH CUT
VOLUME
010
OFF
POWER
ON
3
1, 6
5
English
E-11
20 50 100 200 500Hz
40
50
60
70
80
90
10 0
YST-SW005
䡵 Frequency characteristics
Fig. 1 shows the frequency characteristics of the subwoofer
with each position (HIGH/LOW) of the HIGH CUT switch.
HIGH CUT
LOW
HIGH
VOLUME
0I0
Fig. 2 shows the optimum volume level with the HIGH CUT
switch at the HIGH position, and the frequency
characteristics when the subwoofer is combined with a
typical 3.5” or 4” (8 cm or 10 cm) acoustic suspension, 2
way system main speakers.
Fig. 1
Fig. 2
Main
speaker’s
response
20 50 100 200 500Hz
40
50
60
70
80
90
10 0
HIGH CUT
LOW
HIGH CUT
HIGH
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 POWER switch is set
to the ON position.
No sound.
Sound level is too low.
The subwoofer does not turn on
automatically.
The subwoofer does not turn into
the standby mode automatically.
The subwoofer turns into the
standby mode unexpectedly.
The subwoofer turns on
unexpectedly.
What to Do
Connect it securely.
Turn the VOLUME control to the right
(clockwise).
Connect them securely.
Connect them correctly, that is L (left) to
L, R (right) to R, “+” to “+” and “–” to “–”.
Play a source sound with bass
frequencies.
Set the HIGH CUT switch to the “HIGH”
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 AUTO STANDBY switch to the
“HIGH” or “LOW” 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.
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.
Cause
The power plug is not securely
connected.
The VOLUME control is set to 0.
Speaker cables are not connected
securely.
Speaker cables are not connected
correctly.
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 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.
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.
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
Type .............. Advanced Yamaha Active Servo Technology
Driver ....................................... 16 cm (6-1/2”) cone woofer
Magnetic shielding type
Amplifier Output
USA and Canada models .................................. 55 W/5Ω
Other models ..................................................... 50 W/5Ω
Frequency Response .............................. 30 Hz to 200 Hz
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
China and General models
....................................... AC 110-120/220-240V, 50/60 Hz
SPECIFICATIONS
Power Consumption ................................................. 60 W
(In the standby mode: 0.8 W)
Dimensions (W x H x D) ..... 200 mm x 365 mm x 375 mm
(7-7/8” x 14-7/20” x 14-3/4”)
Weight ............................................. 8.5 kg (18 lbs. 11 oz.)
Accessories .............................................. Nonskid pad x 4
* Please note that all specifications are subject to change
without notice.
YAMAHA ELECTRONICS CORPORATION, USA 6660 ORANGETHORPE AVE., BUENA PARK, CALIF. 90620, U.S.A.
YAMAHA CANADA MUSIC LTD. 135 MILNER AVE., SCARBOROUGH, ONTARIO M1S 3R1, CANADA
YAMAHA ELECTRONIK EUROPA G.m.b.H. SIEMENSSTR, 22-34, 25462 RELLINGEN, BEI HAMBURG, F.R. OF GERMANY
YAMAHA ELECTRONIQUE FRANCE S.A. RUE AMBROISE CROIZAT BP70 CROISSY-BEAUBOURG 77312 MARNE-LA-VALLEE CEDEX02, FRANCE
YAMAHA ELECTRONICS (UK) LTD. YAMAHA HOUSE, 200 RICKMANSWORTH ROAD WATFORD, HERTS WD1 7JS, ENGLAND
YAMAHA SCANDINAVIA A.B. J A WETTERGRENS GATA 1, BOX 30053, 400 43 VASTRA FRÖLUNDA, SWEDEN
YAMAHA MUSIC AUSTRALIA PTY, LTD. 17-33 MARKET ST., SOUTH MELBOURNE, 3205 VIC., AUSTRALIA
V848090
Printed in China
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Yamaha YST-SW005 El kitabı

Yamaha
Marka
Yamaha
Modeli
YST-SW005
Kategori
Hoparlör
Tip
El kitabı
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