Yamaha NS-SW300 Návod k obsluze

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Subwoofery
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Návod k obsluze

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i En
English
PRECAUTIONS
PLEASE READ CAREFULLY BEFORE
USE.
BE SURE TO FOLLOW THESE
INSTRUCTIONS.
The precautions listed below are to prevent risk of harm
to the user and others, as well as to prevent property
damage, and to help the user use this unit properly and
safely. Be sure to follow these instructions.
After reading this manual, be sure to keep it in a safe place where
it can be referenced at any time.
WARNING
This content indicates “risk of serious injury or death.”
If you notice any abnormality
If any of the following abnormalities occur, immediately turn
off the power and disconnect the power plug.
The power cord/plug is damaged.
An unusual smell or smoke is emitted from the unit.
Foreign material gets into the interior of the unit.
There is a loss of sound during use.
There is a crack or damage in the unit.
Continued use could cause electric shocks, a fire, or
malfunctions. Immediately request an inspection or repair from
the dealer where you purchased the unit or from qualified
Yamaha service personnel.
Power supply
Do not do anything that could damage the power cord.
Do not place it near a heater.
Do not bend it excessively or alter it.
Do not scratch it.
Do not place it under a heavy object.
Using the power cord with the core of the cord exposed could
cause electric shocks or a fire.
Do not touch the power plug or cord if there is a chance of
lightning. Failure to observe this may cause electric shocks.
Use this unit with the power supply voltage printed on it. Failure
to connect to an appropriate AC outlet may cause a fire, electric
shocks, or malfunctions.
Check the electric plug periodically and remove any dirt or dust
which may have accumulated on it. Failure to observe this may
cause a fire or electric shocks.
When setting up the unit, make sure that the AC outlet you are
using is easily accessible. If some trouble or malfunction occurs,
immediately turn off the power switch and disconnect the plug
from the AC outlet. Even when the power switch is turned off,
as long as the power cord is not unplugged from the wall AC
outlet, the unit will not be disconnected from the power source.
If you hear thunder or suspect approaching lightning, quickly
turn off the power switch and pull the power plug from the AC
outlet. Failure to observe this may cause a fire or malfunctions.
If not using the unit for long periods of time, be sure to pull the
power plug from the AC outlet. Failure to observe this may
cause a fire or malfunctions.
Installation
Always fix the speaker cable to a wall or similar. If you catch
your feet or hands on the cable, the speakers may fall or
overturn, causing malfunctions or injuries.
Do not disassemble
Do not disassemble or modify this unit. Failure to observe this
may cause a fire, electric shocks, injury, or malfunctions.
Water warning
Do not expose the unit to rain, use it near water or in damp or
wet conditions, or place on it any containers (such as vases,
bottles or glasses) containing liquids which might spill into any
openings or places where water may drop. A liquid such as
water getting into the unit may cause a fire, electric shocks, or
malfunctions.
Never insert or remove an electric plug with wet hands. Do not
handle this unit with wet hands. Failure to observe this may
cause electric shocks or malfunctions.
Fire warning
Do not place any burning items or open flames near the unit,
since they may cause a fire.
Handling
Be careful not to drop or apply strong impact to this unit. Failure
to observe this may cause electric shocks, a fire, or
malfunctions.
CAUTION
This content indicates “risk of injury.”
Power supply
Do not use an AC outlet where the power plug fits loosely when
inserted. Failure to observe this may cause a fire, electric
shocks, or burns.
When disconnecting the power plug, always hold the plug itself
and not the cord. Pulling by the cord can damage it and cause
electric shocks or a fire.
Insert the power plug firmly all the way into the AC outlet.
Using the unit when it is not plugged in sufficiently can cause
dust to accumulate on the plug, causing a fire or burns.
Be sure to request inspections or repairs from the dealer where
you purchased the unit or from qualified Yamaha service
personnel.
Yamaha cannot be held responsible for injury to you or
damage of the products caused by improper use or
modifications to the unit.
This product is for ordinary homes. Do not use for applications
requiring high reliability, such as managing lives, health care
or high-value assets.
ii En
Installation
Do not place the unit in an unstable position where it might
accidentally drop or fall over and cause injuries.
When installing this unit, do not obstruct heat dissipation.
Do not cover it with any cloth.
Do not block this unit’s ventilation holes (cooling slits).
Do not install the unit in other ways than indicated.
Do not use the device in a confined, poorly-ventilated location
Failure to observe the above may trap heat inside the unit,
causing a fire or malfunctions. Ensure that there is adequate
space around the unit: at least 20 cm (8 in) on top, 20 cm (8 in)
on the sides, and 20 cm (8 in) on the rear.
Do not install the unit in places where it may come into contact
with corrosive gases or salt air or places that have excessive
smoke or steam. Doing so may result in malfunction.
Avoid being near the unit during a disaster, such as an
earthquake. Since the unit may turn over or fall and cause injury,
quickly move away from the unit and go to a safe place.
When transporting or moving the unit always use two or more
people. Attempting to lift the unit by yourself may damage your
back, result in other injury, or cause damage to the unit itself.
Before moving this unit, be sure to turn off the power switch
and disconnect all connection cables. Failure to observe this
may damage the cables or cause you or someone else to trip and
fall.
Hearing loss
Do not use the unit for a long period of time at a high or
uncomfortable volume level, since this can cause permanent
hearing loss. If you experience any hearing loss or ringing in the
ears, consult a physician.
Before connecting the unit to other devices, turn off the power
for all devices. Also, before turning the power of all devices on
or off, make sure that all volume levels are set to the minimum.
Failing to do so may result in hearing loss, electric shock, or
device damage.
When turning on the AC power in your audio system, always
turn on the unit LAST, to avoid hearing loss and speaker
damage. When turning the power off, the unit should be turned
off FIRST for the same reason. Failure to observe the above
may cause hearing impairment or speaker damage.
Maintenance
Remove the power plug from the AC outlet before cleaning the
unit. Failure to observe this may cause electric shocks.
Handling
Do not touch the surface having this label. Doing
so may cause burns. The label on the device
indicates that the surface to which the label is
attached may become hot during operation.
Do not insert your hand or fingers into the bass reflex located on
the right side of this unit. Failure to observe this may cause
injury.
Do not insert foreign materials such as metal or paper into the
bass reflex located on the right side of this unit. Failure to
observe this may cause a fire, electric shocks, or malfunctions.
Do not do the following:
Stand on or sit on the equipment.
Put heavy items on top of the equipment.
Place the equipment in a stack.
Apply unreasonable force to buttons, switches, input/output
terminals, etc.
Failure to observe this may cause injuries or damage to the
equipment.
Avoid pulling the connected cables to prevent injuries or
damage to the unit by causing it to fall.
Do not operate the unit if the sound is distorting. Prolonged use
in this condition could cause overheating and result in fire.
Notice
Indicates points that you must observe in order to
prevent product failure, damage or malfunction and data
loss.
Power supply
If not using the unit for a long period of time, be sure to pull the
power plug from the outlet. Even if this unit is turned of by
[A] (Standby/On), a minute current is still flowing.
Installation
Do not use this unit in the vicinity of other electronic
equipment, such as a TV, radio, or mobile phone. Failure to
observe this may cause this unit or the TV or radio to produce
noise.
Do not use this unit in a location that is exposed to direct
sunlight that becomes extremely hot, such as near a heater, or
extremely cold, or that is subject to excessive dust or vibration.
Failure to observe this may cause the unit’s panel to become
deformed, the internal components to malfunction, or for
operation to become unstable.
Connections
If connecting external units, be sure to thoroughly read the
manual for each unit and connect them in accordance with the
instructions. Failure to properly handle a unit in accordance
with the instructions could cause malfunctions.
Handling
Do not place vinyl, plastic, or rubber products on this unit.
Failure to observe this may cause discoloration or deformation
in the panel of this unit.
If the ambient temperature changes drastically (such as during
unit transportation or under rapid heating or cooling) and there
is a chance condensation may have formed in the unit, leave the
unit for several hours without turning on the power until it is
completely dry before use. Using the unit while there is
condensation can cause malfunctions.
Maintenance
If the temperature or humidity changes drastically, water
droplets (condensation) may form on the unit surface. If water
droplets form, immediately wipe them off with a soft cloth. If
water droplets are left on the unit, they may be absorbed into the
wooden parts, causing deformation.
When cleaning the unit, use a dry, soft cloth. Using chemicals
such as benzine or thinner, cleaning agents, or chemical
scrubbing cloths can cause discoloration or deformation.
iii En
English
Information
About functions and data included in the
unit
Air may be blown out from the bass reflex port. This is not a
malfunction. This occurs particularly often when outputting
music with heavy bass.
About content in this manual
This manual is for the following readers:
the users of the unit
This manual uses the following signal words for the important
information:
This content indicates “risk of serious injury or death.”
This content indicates “risk of injury.”
Indicates points that you must observe in order to prevent product
failure, damage or malfunction and data loss, as well as to protect
the environment.
Indicates notes on instructions, restrictions on functions, and
additional information that may be helpful.
The illustrations in this manual are for instructional purposes
only.
(rear_en_01)
ADVANCED YAMAHA ACTIVE SERVO
TECHNOLOGY II .........................................................1
TWISTED FLARE PORT .............................................1
FEATURES......................................................................2
SUPPLIED ACCESSORY .............................................2
PLACEMENT .................................................................2
Subwoofer orientation ................................................2
CONTROLS AND THEIR FUNCTIONS.....................3
CONNECTIONS.............................................................5
Connecting to line output (pin jack) terminal(s)
of the amplifier ......................................................5
Connecting to speaker output terminals
of the amplifier ......................................................7
Connecting to the INPUT1/OUTPUT terminals of the
subwoofer
....................................................................9
System connections ..................................................10
Plugging the subwoofer into an AC outlet
......................10
AUTOMATIC POWER-SWITCHING FUNCTION
.........10
Setting the AUTO STANDBY switch ......................10
ADJUSTING THE BALANCE....................................11
Subwoofer frequency characteristics........................13
TROUBLESHOOTING ...............................................14
SPECIFICATIONS.......................................................15
WARNING
CAUTION
NOTICE
NOTE
Information for users on collection and disposal of
old equipment:
This symbol on the products, packaging, and/or
accompanying documents means that used
electrical and electronic products should not be
mixed with general household waste.
For proper treatment, recovery and recycling of
old products, please take them to applicable
collection points, in accordance with your
national legislation.
By disposing of these products correctly, you
will help to save valuable resources and prevent
any potential negative effects on human health
and the environment which could otherwise arise
from inappropriate waste handling.
For more information about collection and
recycling of old products, please contact your
local municipality, your waste disposal service
or the point of sale where you purchased the
items.
For business users in the European Union:
If you wish to discard electrical and electronic
equipment, please contact your dealer or supplier
for further information.
Information on Disposal in other Countries
outside the European Union:
This symbol is only valid in the European Union.
If you wish to discard these items, please contact
your local authorities or dealer and ask for the
correct method of disposal.
The model number, serial number, power requirements, etc.,
may be found on or near the name plate, which is at the rear of
the unit. You should note this serial number in the space
provided below and retain this manual as a permanent record of
your purchase to aid identification in the event of theft.
Model No.
Serial No.
CONTENTS
1
2
1 En
In 1988, Yamaha brought to the marketplace speaker systems utilizing YST (Yamaha
Active Servo Technology) to give powerful, high quality bass reproduction. This technique
uses a direct connection between the amplifier and speaker, allowing accurate signal
transmission and precise speaker control.
As this technology uses speaker units controlled by the negative impedance drive of the
amplifier and resonance generated between the speaker cabinet volume and port, it creates
more resonant energy (the “air woofer” concept) than the standard bass reflex method. This
allows for bass reproduction from much smaller cabinets than was previously possible.
Yamaha’s newly developed Advanced YST II adds many refinements to Yamaha Active
Servo Technology, allowing better control of the forces driving the amplifier and speaker.
From the amplifier’s point of view, the speaker impedance changes depending on the sound
frequency. Yamaha developed a new circuit design combining negative-impedance and
constant-current drives, which provides a more stable performance and clear bass
reproduction, without any murkiness.
Today’s bass reflex speakers use a Helmholtz
resonator to improve their bass reproduction.
However when reproducing bass that is in the
frequency region of this Helmholtz
resonator, air moves violently in and out
through the port between the interior and
exterior of the speaker, sometimes producing
noise due to the turbulent air flow at the end
of the port.
The port and the cabinet resonate at a
frequency that is determined by their
dimensions and shape. On the other hand,
turbulence in the air flow at the end of the port contains a broad range of frequency
components that are not present in the input signal. This noise occurs because the broad
range of frequency components includes components that match the resonant frequencies
of the port and cabinet, causing strong resonance.
The Twisted Flare Port developed by Yamaha changes the way in which the port widens
toward its end, and also adds a “twist” to suppress airflow turbulence at each end of the port
and thus prevent noise from occurring.
This substantially reduces the “muddy sound” and “wind noise” that until now have been
characteristic of bass reflex speakers, allowing bass to be reproduced clearly.
ADVANCED YAMAHA ACTIVE SERVO TECHNOLOGY II
High-amplitude
heavy bass sound
Port
Cabinet
Advanced impedance
Converter
Active Servo
Processing
Amplifier
Air woofer
(Helmholtz resonator)
Signals
(Inaudible) signals of ultra-low amplitude
Bass sound
(audible sound
pressure radiated
from diaphragm)
TWISTED FLARE PORT
Conventional Port
Air turbulence on both ends of the port creates noise
Air turbulence is
produced.
Turbulence is
diffused, air flow
becomes smooth.
Twisted Flare Port
2 En
English
This subwoofer system employs Advanced Yamaha
Active Servo Technology II, which Yamaha has
developed for the production of higher quality, super-
bass sound. This super-bass sound adds a more realistic,
theater-in-the-home effect to your stereo system.
This subwoofer can easily be added to your existing audio
system by connecting to either the speaker terminals or the
line output (pin jack) terminals of the amplifier.
For effective use of the subwoofer, the subwoofer’s
super-bass sound should be matched to the sounds of
your front 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.
The subwoofer can be linked to a Yamaha component for
simultaneous power on/off operation.
Use the supplied system control cable to connect the
subwoofer to a Yamaha component that features a
system connector jack. When you turn on or off the
power to the connected component, the subwoofer will
also be turned on or off.
The flared, gently twisting shape diffuses the vortex of
air generated around the edge of the port, creating a
smooth flow of air. This reduces extraneous noise not
present in the original input signal, and provides clear,
accurate low frequency reproduction.
The subwoofer can also reproduce a bass sound that is
appropriate for the source. (NS-SW300 only)
It features a B.A.S.S. switch that enables you to select a
bass effect that is suitable for the source.
After unpacking, check
that the following
accessory is contained.
FEATURES
SUPPLIED ACCESSORY
System control cable (5 m x 1)
Since the low-end frequencies of audio signals feature long wavelengths, they are almost non-directional to human ears.
The super-bass range does not create a stereo image. Therefore, a single subwoofer may be enough to produce a high-
quality super-bass sound. However, using two subwoofers (similarly to L and R front speakers) can enhance your acoustic
experience.
Place the subwoofer as shown in fig. , or for the optimum effect. : subwoofer : front speaker
Using one subwoofer
Place the subwoofer on the outside of either the left or right
front speaker.
Placing the subwoofer in between the left and
right front speakers
If you are placing the subwoofer in between the left and
right front speakers, position it slightly at an angle toward
the wall for better effect.
Using two subwoofers
Place them on the outside of
each front speaker.
NOTE
This unit features a magnetically shielded design. However, there is still a chance that placing it too close to a CRT-type TV set
might impair picture color. Should this happen, move this unit away from the TV set.
If the speaker volume is very loud, furniture or window glass may resonate and the subwoofer itself may vibrate. In this case,
lower the volume level. To limit resonance, use a thick curtain or similar cloth that tends to absorb sound vibrations effectively.
Also, changing the subwoofer position may be helpful.
PLACEMENT
Subwoofer orientation
A
B
C
A
or
B
C
NOTE
The placement shown in the figure below is also possible.
However, if the subwoofer system is placed directly facing a wall,
the bass effect may suffer due to phase cancellation caused by
the interference between the direct and reflected sounds.
To prevent this from happening, place the
subwoofer system at an angle.
(Figures , , and )
A
B
C
There may be a case that you
cannot obtain enough super-bass
sound from the subwoofer due to
standing waves.
3 En
Check the model number of your subwoofer on the label on the rear panel.
CONTROLS AND THEIR FUNCTIONS
12
3
4
Top
A
B
56 7 8 9 <
C
D
Rear
NS-SW300
Front
C
D
A
B
67
8<5
12
3
4
Front
Rear
Top
NS-SW200
4 En
English
CONTROLS AND THEIR FUNCTIONS
1Indicator
2VOLUME control (page 11)
Adjusts the volume level. Turn the control clockwise to increase the volume, and
counterclockwise to decrease the volume.
3STANDBY/ON switch
While the POWER switch is ON, press this switch to turn on the power to the
subwoofer. The indicator will light up green. Press the switch again to turn off the
power to the subwoofer. The indicator will turn off.
4Port (page 1)
Outputs super-bass sound.
5INPUT2 (NORMAL) terminals (page 5)
Used to input line level signals from the amplifier.
6INPUT3 (LFE) terminal (page 6)
If your amplifier (or receiver) can cut off high frequencies from signals sent to the
subwoofer, connect the amplifier to the subwoofer’s INPUT3 (LFE) terminal.
The HIGH CUT control m has no effect on signals input to the INPUT 3 LFE terminal.
7AUTO STANDBY (HIGH/LOW/OFF) switch (page 10)
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. If you
do not need this function, leave this switch in the OFF position.
NOTE
Be sure to set the POWER switch to OFF before you set the AUTO STANDBY switch.
8PHASE switch (page 11)
This switch is to be set to the REV (reverse) position. However, depending on your speaker
system or listening conditions, there may be a case when better sound quality is obtained by
setting this switch to the NORM (normal) position. Select the best position by ear.
9B.A.S.S. (Bass Action Selector System) switch (NS-SW300 only)
(page 11)
When this switch is set to MUSIC, the bass sound in audio
software is well reproduced. When the switch is set to
MOVIE, the bass sound in video software is well reproduced.
jSYSTEM CONNECTOR jack (page 10)
Connect the supplied system control cable here. If you use the system control cable to
connect a subwoofer to a Yamaha component (that features a system connector jack),
turning on or off the power to the connected component automatically turns the
subwoofer on or off.
kOUTPUT (TO SPEAKERS) terminals (page 7)
Can be used for connecting to the main speakers. Signals at the INPUT1 terminals are
sent to these terminals.
lINPUT1 (FROM AMPLIFIER) terminals (page 7)
Used to connect the subwoofer with the speaker terminals of the amplifier.
mHIGH CUT control (page 11)
Adjusts the high frequency cut off point.
Frequencies higher than the frequency selected by this
control are all cut off (and not output).
nPOWER switch
During normal usage, set this switch to ON. If you plan not to use the subwoofer for a long
period of time, set the switch to OFF.
Green:
Red:
Off:
The subwoofer is turned on.
The Automatic power-switching function has activated, and the subwoofer
is in standby mode.
The subwoofer is turned off.
The subwoofer uses a small amount of power in standby mode.
* One graduation
of this control
represents 10 Hz.
5 En
Choose one of the following connection methods most suitable for your audio system.
Choose this method if your amplifier has line output (pin jack) terminal(s).
(page 5, 6)
Choose this method if your amplifier has no line output (pin jack)
terminals. (page 7, 8)
NOTICE
Unplug the subwoofer and other audio/video components before making connections, and do
not plug them in until all connections are completed.
Connecting methods and terminal names on your component (such as an amplifier or receiver)
may be different from those used in this book. Please refer to the owner’s manual that came
with your component.
All connections must be correct, that is to say L (left) to L; R (right) to R; “+” to “+” and “–” to “–”.
Example: Connecting one subwoofer
Use a commercially-available Mono pin cable (1) or a commercially-available Audio pin cable (2) to make the connections.
Connect the SUBWOOFER (or LOW PASS, etc.) terminal on the rear of the amplifier (or AV receiver) to the /MONO INPUT2 terminal of the subwoofer using a commercially-
available Mono pin cable (1).
Alternatively,
When connecting the subwoofer to the SPLIT SUBWOOFER terminals (
featuring L and R channels) on the rear panel of the amplifier, use a commercially-available Audio pin cable (2)
to connect the
/MONO INPUT2 terminal to the “L” side, and the INPUT2 terminal to the “R” side of the SPLIT SUBWOOFER terminals.
NOTE
Audio signals input from the /MONO and INPUT 2 terminals on the subwoofer will not be output from the OUTPUT (TO SPEAKERS) terminals.
CONNECTIONS
1
2
Connecting to line output (pin jack) terminal(s) of the amplifier
1
1
2
1 Mono pin cable
2 Audio pin cable
Subwoofer
Amplifier or
receiver
NS-SW300
1
2
1 Mono pin cable
2 Audio pin cable
Subwoofer
Amplifier or
receiver
NS-SW200
6 En
English
Example: Connecting two subwoofers
Connecting to the INPUT3 (LFE) terminal
If your amplifier (or receiver) can cut off high frequencies from signals sent to the subwoofer, connect the
amplifier to the subwoofer’s INPUT3 (LFE) terminal.
This will promote higher sound quality because the signal routing in the subwoofer is shortened by bypassing
the built-in HIGH CUT circuit.
1
1 Mono pin cable
1
Subwoofer Subwoofer
Amplifier or
receiver
NS-SW300
1 Mono pin cable
11
Subwoofer Subwoofer
Amplifier or
receiver
NS-SW200
NS-SW300 NS-SW200
7 En
°Example: Connecting the subwoofer to an amplifier that features one set of speaker output terminals
Use speaker cables to connect the speaker output terminals of the amplifier to the subwoofer’s INPUT 1 (FROM AMPLIFIER) terminals. Connect the front speakers to the subwoofer’s
OUTPUT (TO SPEAKERS) terminals. Although the subwoofer is connected between the front speakers and the amplifier, the sound volume or quality will not be affected.
Connecting one subwoofer
Connecting to speaker output terminals of the amplifier
2
Right front
speaker
Subwoofer
Amplifier or
receiver
Speaker output
terminals
Left front
speaker
NS-SW300
Right front
speaker Left front
speaker
Speaker output
terminals
Amplifier or
receiver
Subwoofer
NS-SW200
8 En
English
Connecting two subwoofers
Right front
speaker Left front
speaker
Subwoofer
Speaker output
terminals
Amplifier or
receiver
Subwoofer
NS-SW300
Right front
speaker
Left front
speaker
Subwoofer Subwoofer
Speaker output
terminals
Amplifier or
receiver
NS-SW200
°Example: Connecting the subwoofer to an amplifier featuring two sets of speaker output terminals (A and B) that can output sound signals
simultaneously
Set the amplifier so that both sets of speaker output terminals (A and B) will output sound signals simultaneously. Then, connect the front speakers to terminals A, and connect the
subwoofer to terminals B.
NOTE
If your amplifier features two sets of speaker output terminals that do NOT output sound signals simultaneously, please refer to the example for connecting an amplifier that has only one set of
speaker output terminals (see the figure on the left).
9 En
WARNING
To avoid accidents resulting from tripping over loose speaker cables, fix them to the floor.
Always fix the speaker cable to a wall or similar. If you catch your feet or hands on the cable,
the speakers may fall or overturn, causing malfunctions or injuries.
NOTICE
Do not let the bare speaker wires touch each other, because this could damage the subwoofer
or the amplifier.
NOTE
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.
If the connections are faulty, no sound will be heard from the subwoofer or the speakers. Do
not insert the insulation into the hole. Sound may not be produced.
°Before connecting
Remove the insulation at the tip of the speaker cable, then twist the core wires together so
that they will not become disarrayed and short-circuited.
Remove about 15 mm (5/8") of insulation.
Remove about 10 mm (3/8") of insulation.
°How to connect
1. Loosen the terminal’s knob, as shown in the figure.
2. Insert the bare wire.
3. Tighten the knob.
4. Test the firmness of the connection by pulling lightly
on the cable at the terminal.
1. Press and hold the terminal’s tab, as shown
in the figure.
2. Insert the bare wire.
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.
Connecting to the INPUT1/OUTPUT terminals of the subwoofer
15 mm /
10 mm
Good No Good
NS-SW300
NS-SW200
°NS-SW300
Connecting the banana plug
(U.S.A., Canada and Australia models only)
1. Tighten the terminal knob.
2. Simply insert the banana plug into the terminal.
2
1
3
Red:
positive (+)
Black:
negative ()
NS-SW300
2
1
NS-SW200
3
12
10 En
English
If you use the included system control cable to connect a subwoofer to a Yamaha
component (that features a system connector jack such as a YSP series component or
Yamaha receiver), turning on or off the power to the connected component automatically
turns the subwoofer on or off.
Connection example
How the System Connection works
NOTE
For this feature to be available, the POWER switch on the rear panel and the STANDBY/ON
switch on the top panel (page 3) must be set to ON.
Powering on/off via the system connection takes priority over the Automatic power-switching
function. (While the unit is turned on, the Automatic power-switching function is enabled.)
To modify the settings of the connected components, please refer to the owner’s manual that
came with the respective component.
After all connections are completed, plug
the subwoofer and other audio/video
components into AC outlets.
This function automatically places the subwoofer in standby mode if the subwoofer does
not detect a signal from the amplifier for a certain period of time. The subwoofer
automatically turns on as soon as it detects a signal from the amplifier.
The Automatic power-switching function works as follows when the AUTO STANDBY
(HIGH/LOW/OFF) switch is set to LOW or HIGH. (Normally, set the switch to LOW.)
How the Automatic power-switching function works
*1
When the Automatic power-switching function is enabled, the subwoofer will detect a bass signal input of
below 200Hz (such as sound effects of explosion in action movies, bass guitar or bass drum sound, etc.).
*2 This value may vary depending on the system environment. For example, it may be affected by noise
generated from other equipment.
NOTE
For this feature to be available, the POWER switch on the rear panel and the STANDBY/ON
switch on the top panel (page 3) must be set to ON.
NOTE
Be sure to set the POWER switch to OFF before you set the AUTO STANDBY switch.
LOW: The Automatic power-switching function activates at a certain level of input signal.
To enable the function, select this position.
HIGH:If the Automatic power-switching function does not work well when the AUTO
STANDBY switch is set to LOW, select this position. If the function still does not
work, slightly raise the LFE LEVEL on the amplifier.
OFF:
The Automatic power-switchingy function may unexpectedly activate due to the
system environment, for example, if the subwoofer detects noise generated from the
peripheral components. In this case, select this position to disable the Automatic power-
switching function, and manually turn the unit on or off by using the POWER switch.
NOTE
The subwoofer uses a small amount of power in auto-standby mode.
If you plan not to use the subwoofer for a long period of time, set the POWER switch on the
rear panel to OFF, or unplug the power cable from the AC outlet.
System connections
Turning on the power to the connected component will automatically turn on the subwoofer.
* The indicator lights green.
Turning off the power to the connected component will automatically turn off the subwoofer.
* The indicator turns off.
Plugging the subwoofer into an AC outlet
Subwoofer
Supplied system
control cable
Yamaha YSP series component or receiver
To AC outlet
AUTOMATIC POWER-SWITCHING FUNCTION
The subwoofer automatically enters standby mode if it does not receive an input signal
(*1) from the amplifier for 7 or 8 minutes (*2).
* The indicator color changes from green to red.
When the subwoofer detects an input signal (*1) from the amplifier, the subwoofer
automatically turns on. * The indicator color changes from red to green.
Setting the AUTO STANDBY switch
11 En
To achieve natural sound with an effective super-bass component, you must adjust the volume and tone balance between the subwoofer and the front speakers. Follow the procedure
described below. If your amplifier or other component connected to the system features subwoofer settings, make the appropriate settings on that component.
ADJUSTING THE BALANCE
Rear panel
NS-SW300
Front panel
Rear panel
NS-SW200
Front panel
12 En
English
ADJUSTING THE BALANCE
1. Set the VOLUME control to minimum (0).
2. Turn on the power to the component(s) connected to the subwoofer.
If the component is connected to the subwoofer’s SYSTEM CONNECTOR jack, turn
on the power to that component.
3. Make sure that the POWER switch is set to the ON position, then set the STANDBY/
ON switch to ON.
* The indicator lights green.
4. Play a source that contains low-frequency components and adjust the output level of
the front speakers using the amplifier’s volume control to the desired listening level.
(Set all tone controls to flat.)
5. Adjust the HIGH CUT control to the position where the desired response can be
obtained.
Normally, set the control to a level a little higher than the front speaker’s rated
minimum reproducible frequency*.
* The front speaker’s rated minimum reproducible frequency can be looked up in the speakers’ catalog
or owner’s manual.
* The HIGH CUT control has no effect on signals input to the INPUT 3 LFE terminal. (page 6)
6. Increase the volume gradually to adjust the volume balance between the subwoofer and
the front speakers.
Normally, set the control to a level where you can obtain a little more bass effect than
when the subwoofer is not used.
7. Set the PHASE switch to the position which yields the more natural (or preferable)
phasing.
8. Set the B.A.S.S. switch to “MOVIE” or “MUSIC” according to the played source.
(NS-SW300 only)
MOVIE:
When a movie type source is played, the low-frequency effects are enhanced to allow
listeners to enjoy a more powerful sound. (The sound will be richer and deeper.)
MUSIC:
When an ordinary music source is played, the excessive low-frequency components are
cut off to make the sound clearer. (The sound will carry less bass and reproduce the
melody line more clearly.)
NOTE
Once the volume balance between the subwoofer and the front speakers is adjusted, you can
adjust the volume of your entire sound system by using the amplifier’s volume control.
However, if you replace the front speakers, you will need to make this adjustment again.
PHASE switch
In most situations, set this switch to select the reverse mode. However, depending
on your speaker systems or listening condition, there may be a case when better
sound quality is obtained by selecting the normal mode. Select the better mode by
monitoring the sound.
13 En
The figures below show the optimum adjustment of each control and the frequency characteristics when the subwoofer is combined with a typical front speaker system.
* These diagrams do not depict actual frequency response characteristics.
Subwoofer frequency characteristics
20 50 100 200 500Hz
40
50
60
70
80
90
dB HIGH CUT 40 Hz
HIGH CUT 90 Hz
HIGH CUT 140 Hz
°When combined with 10 cm (
4"
) or 13 cm (5")
acoustic suspension, 2-way system front
speakers
20 50 100 200 500Hz
40
50
60
70
80
90
dB
NS-SW300
PHASE
Frequency response graph*
(70 Hz) (REV)
Front
speaker
°When combined with 20 cm (8") or 25 cm (10")
acoustic suspension, 2-way system front
speakers
20 50 100 200 500Hz
40
50
60
70
80
90
dB
NS-SW300
Frequency response graph*
PHASE
Front
speaker
(50 Hz) (REV)
NS-SW300
20 50 100 200 500Hz
40
50
60
70
80
90
dB HIGH CUT 50 Hz
HIGH CUT 100 Hz
HIGH CUT 150 Hz
°When combined with 10 cm (
4"
) or 13 cm (5")
acoustic suspension, 2-way system front
speakers
20 50 100 200 500Hz
40
50
60
70
80
90
dB
NS-SW200
PHASE
Frequency response graph*
(70 Hz) (REV)
Front
speaker
°When combined with 20 cm (8") or 25 cm (10")
acoustic suspension, 2-way system front
speakers
20 50 100 200 500Hz
40
50
60
70
80
90
dB
NS-SW200
Frequency response graph*
PHASE
Front
speaker
(50 Hz) (REV)
NS-SW200
14 En
English
Refer to the chart below if this unit does not function properly.
If the instructions given below do not help, or if the problem you are experiencing is not listed below, turn off the power to the unit, disconnect the power cord and contact an authorized
Yamaha dealer or service center.
TROUBLESHOOTING
Problem Cause What to Do
Power is not supplied
even though the
STANDBY/ON switch
is set the ON position.
The power plug is not securely
connected.
Connect it securely.
The POWER switch is set to the
OFF position.
Set the POWER switch to the ON
position.
A system connected component is
turned off.
Turn on the system connected
component.
The unit cannot be
operated.
Electric shock (such as a lightning
strike or excessive static
electricity) or power supply
voltage drop has caused the
internal microcomputer to freeze.
Once set the POWER switch to the
OFF position and then set the
POWER switch to the ON
position.
The subwoofer does not
turn on automatically
via the system
connection.
The system control cable is not
connected properly or securely.
Connect the system control cable
properly.
The POWER switch is set to OFF. Set the POWER switch to ON.
No sound.
The volume is set to minimum. Increase the volume.
Speaker cables are not connected
securely.
Connect speaker cables securely.
Low range sound is too
soft or not heard.
Speaker cables are not connected
correctly.
Connect them correctly, that is L
(left) to L; R (right) to R; “+” to
“+” and “–” to “–”.
The PHASE switch is not set
correctly.
Set the PHASE switch to the other
position.
A source sound with little bass
frequency content is being played.
Play a source sound with bass
frequencies.
Set the HIGH CUT control to a
higher position.
The sound is influenced by
standing waves.
Relocate the subwoofer or change
its positioning angle.
No bass frequency content is
being output from the amplifier.
Check the bass output setting of the
amplifier.
The volume
automatically
decreases, or the unit
turns off.
The temperature of the unit has
abnormally increased due to the
following causes.
The unit is used continuously
at a high volume.
The unit is used in a location
with a high temperature.
The unit is set up and used in a
poorly ventilated location.
Decrease the volume. If the
problem does not improve, turn
off the unit, wait until it cools
down, and then turn it on again.
Do not set up the unit in a
location exposed to direct
sunlight or where the
temperature becomes
extremely high (for example,
near a heater).
Turn off the unit, and when the
temperature of the unit has
sufficiently decreased, set up
the unit in a well-ventilated
location and turn it on again.
Even though the
STANDBY/ON switch
is pressed to turn on the
unit, the indicator
simply flashes red and
does not turn on.
The protection circuit was
activated due to an internal failure.
Unplug the power cable from the
AC outlet, and then plug it in
again. If the problem does not
improve, contact an authorized
Yamaha dealer or service center.
The subwoofer does not
turn on automatically.
The POWER switch is set to the
OFF position.
Set the POWER switch to the ON
position.
The STANDBY/ON switch is set
to the STANDBY position.
Set the STANDBY/ON switch to
the ON position.
The AUTO STANDBY switch is
set to the OFF position.
Set the AUTO STANDBY switch
to the HIGH or LOW position.
The level of input signal is too
low.
Set the AUTO STANDBY switch
to the HIGH position, and increase
the output level of the amplifier.
No bass frequency content is
being output from the amplifier.
Check the bass output setting of the
amplifier.
Problem Cause What to Do
15 En
Type..........................................................Advanced Yamaha Active Servo Technology II
Driver ........................................................................................... 25 cm (10") cone woofer
Magnetic shielding type
Amplifier Output (100 Hz, 5 ohms, 10% THD) .................................................... 250 W
Frequency Response.....................................................................................20 Hz–160 Hz
Power Supply
U.S.A. and Canada models ..................................................................AC 120 V, 60 Hz
Taiwan, Brazil, and Central and South America models
..................................................................................AC 110–120/220–240 V, 50/60 Hz
Australia model .................................................................................... AC 240 V, 50 Hz
U.K., Europe, Russia, and Middle East models.................................. AC 230 V, 50 Hz
Asia and General models ........................................................AC 220–240 V, 50/60 Hz
Power Consumption................................................................................................... 80 W
Standby Power Consumption........................................................................0.3 W or less
Dimensions (W × H × D)...................350 × 366 × 420 mm (13-3/4" × 14-3/8" × 16-1/2")
Weight .....................................................................................................18.0 kg (39.7 lbs.)
Type..........................................................Advanced Yamaha Active Servo Technology II
Driver ............................................................................................. 20 cm (8") cone woofer
Magnetic shielding type
Amplifier Output (100 Hz, 5 ohms, 10% THD) .................................................... 130 W
Frequency Response.....................................................................................28 Hz–200 Hz
Power Supply
U.S.A. and Canada models ..................................................................AC 120 V, 60 Hz
Taiwan, Brazil, and Central and South America models
..................................................................................AC 110–120/220–240 V, 50/60 Hz
Australia model .................................................................................... AC 240 V, 50 Hz
U.K., Europe, Russia, and Middle East models.................................. AC 230 V, 50 Hz
Asia and General models ........................................................AC 220–240 V, 50/60 Hz
Power Consumption................................................................................................... 67 W
Standby Power Consumption........................................................................0.3 W or less
Dimensions (W × H × D)......................... 290 × 306 × 351 mm (11-3/8" × 12" × 13-7/8")
Weight .....................................................................................................11.2 kg (24.7 lbs.)
The contents of this manual apply to the latest specifications as of the publishing date.
To obtain the latest manual, access the Yamaha website then download the manual file.
The subwoofer does not
enter standby mode
automatically.
Noise generated from external
appliances etc., is activating the
subwoofer.
Move the subwoofer farther away
from such appliances, and/or
reposition the connected speaker
cables.
Set the AUTO STANDBY switch
to the HIGH or LOW position.
The AUTO STANDBY switch is
set to the OFF position.
Set the AUTO STANDBY switch
to the HIGH or LOW position.
The subwoofer enters
standby mode
unexpectedly.
The level of input signal is too
low.
Set the AUTO STANDBY switch
to the HIGH position, and increase
the output level of the amplifier.
The subwoofer turns on
unexpectedly.
Noise generated from external
appliances etc., is activating the
subwoofer.
Move the subwoofer farther away
from such appliances, and/or
reposition the connected speaker
cables.
If the AUTO STANDBY switch is
set to HIGH, set it to LOW.
Alternatively, set the AUTO
STANDBY switch to the OFF
position.
An object has fallen
into the port.
Do not try to remove the object.
Attempting to remove the object
may cause a malfunction.
Contact an authorized Yamaha
dealer or service center.
Problem Cause What to Do SPECIFICATIONS
NS-SW300
NS-SW200
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Yamaha NS-SW300 Návod k obsluze

Kategorie
Subwoofery
Typ
Návod k obsluze
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