Yamaha YST-SW150/80 Manuale del proprietario

Yamaha
Marca
Yamaha
Modello
YST-SW150/80
Categoria
Subwoofer
Tipo
Manuale del proprietario

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IMPORTANT!
Please record the serial number of this
unit 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.
WARNING
TO REDUCE THE RISK OF FIRE OR
ELECTRIC SHOCK, DO NOT EXPOSE
THIS UNIT TO RAIN OR MOISTURE.
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.
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.
•
Explanation of Graphical Symbols
CAUTION
Active Servo Processing Subwoofer System
Built-in 100W Power Amplifier (YST-SW150)
Built-in 70W Power Amplifier (YST-SW80)
2 Way Selectability for Connections
High Frequency Cut-off Point (HIGH CUT) Control
PHASE Switch
AUTO POWER ON/OFF Switch
OWNER’S MANUAL
CONTENTS
Safety Instructions ...................2
Features...................................4
Placement................................4
Connections.............................5
Controls and Their Functions
.......8
Adjusting Volume.....................9
Active Servo Technology........11
Troubleshooting......................12
Specifications.........................12
YST-SW150/80
Thank you for selecting this YAMAHA Subwoofer System.
Active Servo
Technology
2
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 built-in installation,
such as a bookcase or cabinet that may impede the flow
of air through the ventilation openings.
9 Heat – The unit should be situated away from heat
sources such as radiators, stoves, or other appliances that
produce heat.
10 Power Sources – The unit should be connected to a power
supply only of the type described in the operating
instructions or as marked on the unit.
11 Power-Cord Protection – Power-supply cords should be
routed so that they are not likely to be walked on or
pinched by items placed upon or against them, paying
particular attention to cords at plugs, convenience
receptacles, and the point where they exit from the unit.
12 Cleaning – The unit should be cleaned only as
recommended by the manufacturer.
13 Nonuse Periods – The power cord of the unit should be
unplugged from the outlet when left unused for a long
period of time.
14 Object and Liquid Entry – Care should be taken so that
objects do not fall into and liquids are not spilled into the
inside of the unit.
15 Damage Requiring Service – The unit should be serviced
by qualified service personnel when:
A. The power-supply cord or the plug has been damaged;
or
B. Objects have fallen, or liquid has been spilled into the unit;
or
C. The unit has been exposed to rain; or
D. The unit does not appear to operate normally or exhibits a
marked change in performance; or
E. The unit has been dropped, or the cabinet damaged.
16 Servicing – The user should not attempt to service the unit
beyond those means described in the operating
instructions. All other servicing should be referred to
qualified service personnel.
17 Power Lines – An outdoor antenna should be located
away from power lines.
18 Grounding or Polarization – Precautions should be taken
so that the grounding or polarization is not defeated.
CAUTION: READ THIS BEFORE OPERATING YOUR UNIT
SAFETY INSTRUCTIONS
1 To assure the finest performance, please read this manual
carefully. Keep it in a safe place for future reference.
2 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 the unit to rain or water.
3 Never open the cabinet. If something drops into the set,
contact your dealer.
4 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 equipment. Never
pull the wire itself.
5 Do not attempt to clean the unit with chemical solvents;
this might damage the finish. Use a clean, dry cloth.
6 Be sure to read the “TROUBLESHOOTING” section
regarding common operating errors before concluding that
the unit is faulty.
7 When not planning to use this unit for long periods of time
(ie., vacation, etc.), disconnect the AC power plug from the
wall outlet.
8 To prevent lightning damage, disconnect the AC power
plug when there is an electrical storm.
9 Since this unit has a built-in power amplifier, heat will
radiate from the rear panel. Therefore, place the unit apart
from the walls, allowing a space of at least 10 cm (3-
15/16”) above, behind and on the both sides of the unit.
Also, do not position with the rear panel facing down on
the floor or other surface.
10 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.
11 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.
12 If you hear distortion (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.
3
FCC INFORMATION (for US customers only)
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.
We Want You Listening For A Lifetime (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.
4
•
This subwoofer system employs YAMAHA Active Servo
Technology which YAMAHA developed for reproducing
higher quality super-bass sound. (Refer to page 11 for
details on Active Servo Technology.)
This unit does not only enhance bass frequency response
of sound output in your audio system, but, by reproducing
the bass frequencies, the subwoofer permits your existing
amplifier and speakers to operate under less strenuous
conditions, improving overall system performance.
•
This unit can be added easily 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 super-bass
sound must be matched to the sounds of your main
speakers. Therefore, this unit employs a continuously
variable high frequency cut-off point (HIGH CUT) control.
Moreover, the PHASE switch allows you to select the best
sound quality for various listening conditions.
•
A newly employed AUTO POWER ON/OFF switch saves
you the trouble of pressing the POWER switch when turning
the power on and off.
If using one subwoofer, it is recommended to place it on the
outside of either the right or the left main speaker.
(See fig. .)
If using two subwoofers, it is recommended to place them on
the outside of each main speaker. (See fig. .) The
placement shown in fig. 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. To prevent this, face the
subwoofer system obliquely to the wall as shown in fig. or .
One subwoofer will have a good effect on your audio system,
however, the use of two subwoofers is recommended to obtain
more presence.
Note
There may be a case that you cannot obtain enough super-
bass sounds from this unit when listening at the middle of the
room. This is because “standing waves” have developed
between two parallel walls and the bass sounds are being
canceled.
In such a case, face the unit obliquely to the wall. It also may
be necessary to break up the parallel surfaces by placing
bookshelves etc. along the walls.
FEATURES
PLACEMENT
A
B
C
A
B
C
A
( : subwoofer, : main speaker)
To AC outlet
This unit
OUTPUT
INPUT1
TO SPEAKERS
FROM AMPLIFIER
INPUT2 PHASE
ON OFF
AUTO
POWER
NOM REV
OUTPUT INPUT2 PHASE
TO SPEAKERS
INPUT1
FROM AMPLIFIER
ON OFF
AUTO
POWER
NOM REV
Right speaker Left speaker
Amplifier
To AC outlet
This unit
Right speaker Left speaker
Amplifier
OUTPUT
INPUT1
TO SPEAKERS
FROM AMPLIFIER
INPUT2 PHASE
ON OFF
AUTO
POWER
NOM REV
To AC outlet
This unit
OUTPUT
INPUT1
TO SPEAKERS
FROM AMPLIFIER
INPUT2 PHASE
ON OFF
AUTO
POWER
NOM REV
OUTPUT INPUT2 PHASE
TO SPEAKERS
INPUT1
FROM AMPLIFIER
ON OFF
AUTO
POWER
NOM REV
OUTPUT INPUT2 PHASE
TO SPEAKERS
INPUT1
FROM AMPLIFIER
ON OFF
AUTO
POWER
NOM REV
5
CONNECTIONS
• Before attempting to make any connections to or from this unit, be sure to first switch OFF the power to this unit and to any other
components to which connections are being made.
• When making connections between this unit and other components, be sure all connections are made correctly and consistently,
that is to say L (left) to L, R (right) to R, “+” to “+” and “–” to “–”.
• This unit can be connected to either the speaker terminals or the line output (pin jack) terminals of the amplifier. Choose one of
the ways shown below according to your audio system. Also, refer to the owner’s manual for each component to be connected
to this unit.
CONNECTING TO SPEAKER TERMINALS OF THE AMPLIFIER
Disconnect your main speakers from the amplifier and connect them to this unit.
If using one unit
If using two units
6
If your amplifier has two sets of speaker terminals
For connections, cut the speaker wires as short as possible. If
the connections are faulty, no sound will be heard from the
speakers. Make sure that the polarity of the speaker wires is
correct, that is, + and – markings are observed. If these wires
are reversed, the sound will be unnatural and will lack bass.
Do not let the bare speaker wires touch each other and do
not let them touch the metal parts of this unit as this could
damage this unit, your amplifier and/or speakers.
How to Connect:
Red: positive (+)
Black: negative (–)
➀
Unscrew the knob.
➁
Insert the bare wire.
[Remove approx. 5mm
(1/4”) insulation from
the speaker wires.]
➂
Tighten the knob and
secure the wire.
* Banana Plug connections are also possible (except for U.K.
and Europe models). Simply insert the Banana Plug
connector into the corresponding terminal.
Connecting to this unit’s OUTPUT/INPUT terminals
To AC outlet
This unit
AB
Right speaker Left speaker
Amplifier
(Both “A” and “B” outputs
must be ON.)
OUTPUT
INPUT1
TO SPEAKERS
FROM AMPLIFIER
INPUT2 PHASE
ON OFF
AUTO
POWER
NOM REV
OUTPUT INPUT2 PHASE
TO SPEAKERS
INPUT1
FROM AMPLIFIER
ON OFF
AUTO
POWER
NOM REV
1
2
3
7
CONNECTING TO LINE OUTPUT (PIN JACK) TERMINALS OF THE AMPLIFIER
• Leave the main speakers connected to the amplifier.
• Amplifier line output terminals are generally labeled PRE OUT or SUBWOOFER OUT.
* For PRE OUT terminal connection, the amplifier must possess at least two sets of PRE OUT terminals. With some amplifiers
with only one set of PRE OUT terminals, connection can result in no sound from the main left and right speakers. In this
case, select the method of connecting to the speaker terminals.
• To connect with a YAMAHA DSP amplifier, connect the LOW PASS (or SUBWOOFER etc.) terminal on the rear of the DSP
amplifier to either the left (L) or right (R) INPUT 2 terminal.
If using one unit
If using two units
Notes
• When connected to line output terminals of the amplifier, other speakers should not be connected to the OUTPUT terminals on
the rear panel of this unit. If connected, they will not produce sound.
• When connecting to a monaural line output terminal of the amplifier, connect to either the left or right INPUT 2 terminal.
PRE OUT
Amplifier
Pin plug cords
Right speakerLeft speaker
To AC outlet
This unit
OUTPUT
INPUT1
TO SPEAKERS
FROM AMPLIFIER
INPUT2 PHASE
ON OFF
AUTO
POWER
NOM REV
LOW PASS
<Amplifier>
<
YAMAHA DSP amplifier>
OUTPUT INPUT2 PHASE
TO SPEAKERS
INPUT1
FROM AMPLIFIER
ON OFF
AUTO
POWER
NOM REV
To AC outlet
This unit
Right speakerLeft speaker
Amplifier
PRE OUT
Pin plug
cords
OUTPUT
INPUT1
TO SPEAKERS
FROM AMPLIFIER
INPUT2 PHASE
ON OFF
AUTO
POWER
NOM REV
To AC outlet
This unit
OUTPUT
INPUT1
TO SPEAKERS
FROM AMPLIFIER
INPUT2 PHASE
ON OFF
AUTO
POWER
NOM REV
OUTPUT INPUT2 PHASE
TO SPEAKERS
INPUT1
FROM AMPLIFIER
ON OFF
AUTO
POWER
NOM REV
OUTPUT INPUT2 PHASE
TO SPEAKERS
INPUT1
FROM AMPLIFIER
ON OFF
AUTO
POWER
NOM REV
8
Front panel
Rear panel
1 POWER indicator
Lights up when the POWER switch is turned ON, and
goes off when turned OFF.
*
<For U.K. and Europe models only>
If the AUTO POWER ON/OFF switch on the rear panel
is set to ON, this indicator is illuminated dimly when no
signal is input to this unit.
2 POWER switch
Turns the power of this unit ON and OFF whenever
pressed. When this switch is turned ON, the indicator on
the left of the POWER switch lights up.
3 HIGH CUT control
Adjusts the high frequency cut off point.
Frequencies higher than the frequency selected by this
control are all cut off (and not output).
* One graduation of this control represents 10 Hz.
4 VOLUME control
Adjusts the volume level.
5 AUTO POWER ON/OFF switch
By setting this switch to the ON position, this unit’s
automatic power ON/OFF function operates as described
below. 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 of this unit is off.
Automatic power ON/OFF function
When you play a source, the power to this unit turns on
automatically by sensing audio signals input to this unit.
The power turns off automatically if the source being
played is stopped or the input signal is cut off for several
minutes.
* This function will operate responding to a certain level of
input signal. Increase the output level on the input
source if the automatic power ON function will not
operate, or decrease the level if the automatic power
OFF function will not operate.
* There may be a case that the power turns on
unexpectedly by sensing noise from other appliances. If
it occurs, set the AUTO POWER ON/OFF switch to the
OFF position.
This function is available only when the power of this
unit is on (by setting the POWER switch (
2) to “on”).
6 PHASE switch
Normally this switch is to be set to the normal (NOM)
position. However, according to your speaker systems or
the listening condition, there may be a case when better
sound quality is obtained by setting this switch to the
reverse (REV) position. Select the better position by
monitoring the sound.
CONTROLS AND THEIR FUNCTIONS
POWER HIGH CUT VOLUME
140 Hz
010
40 Hz
423
1
4
2 3
POWER HIGH CUT VOLUME
140 Hz
010
40 Hz
POWER HIGH CUT VOLUME
150 Hz
010
50 Hz
1
YST-SW150
YST-SW80
OUTPUT
INPUT1
TO SPEAKERS
FROM AMPLIFIER
OUTPUT INPUT2 PHASE
TO SPEAKERS
INPUT1
FROM AMPLIFIER
ON OFF
5
AUTO
POWER
NOM REV
6
INPUT2 PHASE
ON OFF
AUTO
POWER
NOM REV
YST-SW80
YST-SW150
I40 Hz40 Hz
50
60
70
80
90
I00
II0
I20
I30
I50 Hz50 Hz
60
70
80
90
I00
II0
I20
I30
I40
9
1 Set the VOLUME control to minimum.
2 Turn on the power supply to all the components.
3 Play any source and adjust the amplifier’s volume control
to the desired listening level.
4 Turn up the VOLUME control gradually to adjust the
volume balance between this unit and the main speakers.
5 Adjust the HIGH CUT control to the position where the
desired response can be obtained.
6 Set the PHASE switch to the position (NOM or REV)
where the optimum bass effect can be obtained.
Notes
•
Once the volume balance between this unit and the main
speakers is adjusted, you can adjust the volume of your
whole sound system by using only the amplifier’s volume
control.
•
For adjusting the VOLUME control, the HIGH CUT control
and the PHASE switch, refer to “FREQUENCY
CHARACTERISTICS” on the next page.
For effective adjustment of the HIGH CUT control
First set this control at about the main speakers’ rated
minimum reproduceable frequency. Then turn up the
VOLUME control gradually and set it at a level where you can
obtain a little more bass effect than when this unit is not used.
On the basis of this setting, if desired, adjust the VOLUME
control and the HIGH CUT control again.
* The main speakers’ minimum reproduceable frequency can
be looked up in the speakers’ catalog or owner’s manual.
ADJUSTING VOLUME
POWER HIGH CUT VOLUME
140 Hz
010
40 Hz
POWER HIGH CUT VOLUME
150 Hz
010
50 Hz
OUTPUT INPUT2 PHASE
TO SPEAKERS
INPUT1
FROM AMPLIFIER
ON OFF
AUTO
POWER
NOM REV
6
Front panel
Rear panel
2 5 1, 4 2 5 1, 4
YST-SW150 YST-SW80
10
FREQUENCY CHARACTERISTICS
Adjustment of the VOLUME control, the HIGH CUT control and the PHASE switch should be changed according to the main
speakers, listening condition, source, etc.
Following figures show the optimum adjustment of each control and the frequency characteristics when this unit is combined with a
typical speaker system.
This unit’s frequency characteristics
•
When combined with a 4” or 5” acoustic
suspension, 2 way system
PHASE–Set to the reverse (REV) position.
•
When combined with an 8” or 10” acoustic
suspension, 2 way system
PHASE–Set to the reverse (REV) position.
HIGH CUT VOLUME
140 Hz
010
40 Hz
VOLUME
010
HIGH CUT
150 Hz50 Hz
20 50 100 200 500Hz
40
50
60
70
80
90
dB
HIGH CUT 50 Hz
HIGH CUT 150 Hz
HIGH CUT 100 Hz
20 50 100 200 500Hz
40
50
60
70
80
90
dB
HIGH CUT 90 Hz
HIGH CUT 140 Hz
HIGH CUT 40 Hz
20 50 100 200 500Hz
40
50
60
70
80
90
dB
YST-SW80
20 50 100 200 500Hz
40
50
60
70
80
90
dB
YST-SW150
20 50 100 200 500Hz
40
50
60
70
80
90
dB
YST-SW80
20 50 100 200 500Hz
40
50
60
70
80
90
dB
YST-SW150
YST-SW80
YST-SW150
YST-SW80
YST-SW150
YST-SW80
YST-SW150
YST-SW80
YST-SW150
HIGH CUT VOLUME
140 Hz
010
40 Hz
VOLUME
010
HIGH CUT
150 Hz50 Hz
YST-SW80
YST-SW150
Main
speaker’s
response
Main
speaker’s
response
Main
speaker’s
response
Main
speaker’s
response
11
ACTIVE SERVO TECHNOLOGY
The theory of Active Servo Technology is 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 output
from this opening as waves of great amplitude if the design
is such that 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 design in which the amplifier functions to
supply 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, and,
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, and 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 Active Servo Technology.
High-
amplitude
bass
sound
Signals of low amplitude
Negative-impedance
output drive
Signals
Active Servo
Processing
Amplifier
Air woofer
(Helmholtz resonator)
Cabinet
Port
SYMPTOM
Power is not supplied even though the
POWER switch is ON.
No sound .
Sound level is too low.
CAUSE
The power plug is not securely connected.
The VOLUME control is set to 0.
Speaker cables are not connected securely.
Speaker cables are connected incorrectly.
Setting of the PHASE switch is not proper.
A source sound with few bass frequencies is
played.
It is influenced by standing waves.
REMEDY
Connect it securely.
Turn the VOLUME control to right.
Connect them securely.
Connect them correctly, that is to say L (left)
to L, R (right) to R, “+” to “+” and “–” to “–”.
Set the switch to the other position.
Play a source sound with bass frequencies.
Set the HIGH CUT control to a higher
position. (Turn the knob to right.)
Re-position the subwoofer or break up the
parallel surface by placing bookshelves etc.
along the walls.
If the unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple
measures suggested. If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the power cord and
contact your authorized YAMAHA dealer or service center for help.
TROUBLESHOOTING
SPECIFICATIONS
Type .....................Active Servo Processing Subwoofer System
Speaker Unit...................20 cm (7-7/8”) cone woofer (JA2156)
magnetic-shield type x 2
Amplifier Output .................................................120W/5 ohms
High-Cut Filter...............................40 Hz–140 Hz (–24 dB/oct.)
Frequency Response..........................20 Hz–160 Hz (–10 dB)
Power Supply
U.S.A. and Canada models........................AC 120V, 60 Hz
Australia model ..........................................AC 240V, 50 Hz
U.K. and Europe models............................AC 230V, 50 Hz
General model ..................AC 110/120/220/240V, 50/60 Hz
Power Consumption........................................................130W
Dimensions (W x H x D).............252 mm x 620 mm x 418 mm
(9-15/16” x 24-7/16” x 16-7/16”)
Weight ......................................................18 kg (39 lbs. 10 oz.)
* Please note that all specifications are subject to change
without notice.
YST-SW150
Type .....................Active Servo Processing Subwoofer System
Speaker Unit...................20 cm (7-7/8”) cone woofer (JA2157)
magnetic-shield type
Amplifier Output ...................................................85W/5 ohms
High-Cut Filter...............................50 Hz–150 Hz (–24 dB/oct.)
Frequency Response..........................23 Hz–170 Hz (–10 dB)
Power Supply
U.S.A. and Canada models........................AC 120V, 60 Hz
Australia model ..........................................AC 240V, 50 Hz
U.K. and Europe models............................AC 230V, 50 Hz
General model ..................AC 110/120/220/240V, 50/60 Hz
Power Consumption........................................................100W
Dimensions (W x H x D).............252 mm x 485 mm x 366 mm
(9-15/16” x 19-1/8” x 14-7/16”)
Weight .....................................................12.3 kg (27 lbs. 1 oz.)
* Please note that all specifications are subject to change
without notice.
YST-SW80
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 VÄSTRA FRÖLUNDA, SWEDEN
YAMAHA MUSIC AUSTRALIA PTY, LTD. 17-33 MARKET ST., SOUTH MELBOURNE, 3205 VIC., AUSTRALIA
VT 52880 Printed in Malaysia
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Yamaha YST-SW150/80 Manuale del proprietario

Yamaha
Marca
Yamaha
Modello
YST-SW150/80
Categoria
Subwoofer
Tipo
Manuale del proprietario
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