Yamaha NS-AC40X User manual

Center Channel Speaker System
NS-AC40X
Thank you for selecting aYAMAHA Center Channel Speaker System.
Owner's Manual
CONTENTS
Cautions
•••.••.•..••••••••..•.•.•••....••.••....•.••.•.•..•••.•••.•.•.••••.•.....•.•.••.•......••.•.•.....•.••.•...... 2
Connections
to Amplifier 2
Installation
••.•.••..•.••••...••••.•.•...•••••••...•.••.•....••••••...•.•.•.••.....••.••.•.....•..•.•..•..•.•.•.••...•• 3
Specifications 3
Warranty 4
Out of the hundreds of loudspeaker manufacturers,
Yamaha is
the only one that also makes musical
instruments.Yamaha audio components
and speakers can
be found
in the homes and recording studios of
audiophiles and industry professionals alike. No other
company is
an intimately involved with the production
and reproduction offine music.
IMPORTANT:
Please record the senal number of your unit In the space below.
Model: NS-AC40X
Senal
No.
The senal number IS located on the rear of the unit.
Retain this Owner's Manual
In asafe place for future reference.
1.
Center Channel Speaker System
NS-AC40X
Thank you for selecting aYAMAHA Center Channel Speaker System.
Owner's Manual
CONTENTS
Cautions
•••.••.•..••••••••..•.•.•••....••.••....•.••.•.•..•••.•••.•.•.••••.•.....•.•.••.•......••.•.•.....•.••.•...... 2
Connections
to Amplifier 2
Installation
••.•.••..•.••••...••••.•.•...•••••••...•.••.•....••••••...•.•.•.••.....••.••.•.....•..•.•..•..•.•.•.••...•• 3
Specifications 3
Warranty 4
Out of the hundreds of loudspeaker manufacturers,
Yamaha is
the only one that also makes musical
instruments.Yamaha audio components
and speakers can
be found
in the homes and recording studios of
audiophiles and industry professionals alike. No other
company is
an intimately involved with the production
and reproduction offine music.
IMPORTANT:
Please record the senal number of your unit In the space below.
Model: NS-AC40X
Senal
No.
The senal number IS located on the rear of the unit.
Retain this Owner's Manual
In asafe place for future reference.
1.

CAUTIONS:
READ THIS BEFORE OPERATING YOUR UNIT
• In order to maintain the speaker cabinet's finish, prevent it
from coming Into contact with water vapor, alcohol,
benzene, Insecticide, etc. Do not place plastic covenngs on
top of the speakers
as the color could come off and stick to
the finish.
To clean, wipe with adry, soft cloth.
•
To prevent the enclosure from warping or discolonng, do not
place the speakers
In places where they will be exposed to
direct sunlight
or excessive humidity.
•Do not place the speaker where they are liable to be
knocked over
or exposed to falling objects. Furthermore,
stable placement will also ensure good sound.
•Placing the speakers on the same stand
or shelf as the
turntable can cause howling.
•These speakers feature amagnetically shielded deSign, but
there
IS still achance that placing them too close to a TV
set might Impair the picture colors. Should this happen,
place the speaker away from the
TV set.
•Never touch the speaker units with your hands
or expose
them to excessive shock. If they are dented
or bent, the
sound will be distorted as well.
CONNECTIONS TO THE AMPLIFIER
•Before making connections, make sure that the amplifier IS switched off.
•CONNECTIONS
•USing speaker cable supplied, connect the center speaker output terminal of
the amplifier and the Input terminal of the back panel of this unit.
•Connect the (+) terminals on both amplifier and speaker. Connect the (-)
terminals on both amplifier and speaker.
•ReverSing polarity (+/-) will result
In unnatural sound reproduction.
•NS-AC40X PROCEDURE
1Loosen the speaker terminals by turning the knobs counterclockwise.
2. Insert the lead portions
of the speaker cable Into the terminal holes.
3. Tighten the speaker terminals by turning the knobs clockWise.
4.
lightly pull the speaker cable to make sure the connections are secure.
•When an amplifier with arated output power higher than the
recommended power of the speaker system IS used, care
should be taken never to exceed the speaker's maximum
power input.
•Connections to the amplifier speaker terminals depend on
the particular amplifier you are uSing. Please check the
amplifier's owner's manual before making speaker
connections.
•
To aVOid any damage to the speaker system or amplifier,
make sure to turn off the power of the amplifier when
making speaker connections.
Make sure the lead portions
of the speaker cable are not
exposed outside
of the
connecto~ ......
-I- I
y.'0
Loose~ Tighten
PIN 266667
Center speaker output
terminal of the amplifier.
Tweeter attenuator
Normal
~:
:~Max
HIGH RANGE LEVEL
Adjust to match hIgh range
level
of your main speakers.
2.
CAUTIONS:
READ THIS BEFORE OPERATING YOUR UNIT
• In order to maintain the speaker cabinet's finish, prevent it
from coming Into contact with water vapor, alcohol,
benzene, Insecticide, etc. Do not place plastic covenngs on
top of the speakers
as the color could come off and stick to
the finish.
To clean, wipe with adry, soft cloth.
•
To prevent the enclosure from warping or discolonng, do not
place the speakers
In places where they will be exposed to
direct sunlight
or excessive humidity.
•Do not place the speaker where they are liable to be
knocked over
or exposed to falling objects. Furthermore,
stable placement will also ensure good sound.
•Placing the speakers on the same stand
or shelf as the
turntable can cause howling.
•These speakers feature amagnetically shielded deSign, but
there
IS still achance that placing them too close to a TV
set might Impair the picture colors. Should this happen,
place the speaker away from the
TV set.
•Never touch the speaker units with your hands
or expose
them to excessive shock. If they are dented
or bent, the
sound will be distorted as well.
CONNECTIONS TO THE AMPLIFIER
•Before making connections, make sure that the amplifier IS switched off.
•CONNECTIONS
•USing speaker cable supplied, connect the center speaker output terminal of
the amplifier and the Input terminal of the back panel of this unit.
•Connect the (+) terminals on both amplifier and speaker. Connect the (-)
terminals on both amplifier and speaker.
•ReverSing polarity (+/-) will result
In unnatural sound reproduction.
•NS-AC40X PROCEDURE
1Loosen the speaker terminals by turning the knobs counterclockwise.
2. Insert the lead portions
of the speaker cable Into the terminal holes.
3. Tighten the speaker terminals by turning the knobs clockWise.
4.
lightly pull the speaker cable to make sure the connections are secure.
•When an amplifier with arated output power higher than the
recommended power of the speaker system IS used, care
should be taken never to exceed the speaker's maximum
power input.
•Connections to the amplifier speaker terminals depend on
the particular amplifier you are uSing. Please check the
amplifier's owner's manual before making speaker
connections.
•
To aVOid any damage to the speaker system or amplifier,
make sure to turn off the power of the amplifier when
making speaker connections.
Make sure the lead portions
of the speaker cable are not
exposed outside
of the
connecto~ ......
-I- I
y.'0
Loose~ Tighten
PIN 266667
Center speaker output
terminal of the amplifier.
Tweeter attenuator
Normal
~:
:~Max
HIGH RANGE LEVEL
Adjust to match hIgh range
level
of your main speakers.
2.

INSTALLATION
1.When installing the unit on top of the TV set or on the
floor:
It should face as shown below when placing the unit on or
below the TV set.
When Installing the unit on TV set
~
When Installing the unit belowTV set
MODEL
Type
Speaker-Woofer
Speaker-Tweeter
Frequency Response
(Hz -KHz) -10
dB
Nominal Impedance
(OHMS)
Nominal
Input (Watts)
Maximum Input (Watts)
Sensitivity (dB/2.83\1, 1m)
SPECIFICATIONS
NS-AC40X
2-way Acoustic Suspension
Magnetically-ShIelded
51/4" High Compliance Aluminum Cone with
Rubber Surround and Inverted Dust Cap (x2)
1" Ferro FlUid Cooled Aluminum Dome Type
with Mesh Grille
80-20
6
70
140
89
2.When installing the unit on the TV set, fix it securely by
using anti-slip tapes (i.e., VELCRO fastening tape) to
prevent it from turning over, falling down, etc. The anti-
slip tape consists of two pieces. Attach one to the top of the
TV set and the other to the bottom of the unit as illustrated
below.
Crossover Frequency (kHz)
Dimensions (HxWxD)
Net Weight
Accessories:
3.5 (12dB/Octave)
77/16" x19 1/2" x713/16"
141bs.
10Ft. (3.0m) Speaker Cable
Anti-slip tapes *Specifications subject to change without notice due to product Improvements.
3.
INSTALLATION
1.When installing the unit on top of the TV set or on the
floor:
It should face as shown below when placing the unit on or
below the TV set.
When Installing the unit on TV set
~
When Installing the unit belowTV set
MODEL
Type
Speaker-Woofer
Speaker-Tweeter
Frequency Response
(Hz -KHz) -10
dB
Nominal Impedance
(OHMS)
Nominal
Input (Watts)
Maximum Input (Watts)
Sensitivity (dB/2.83\1, 1m)
SPECIFICATIONS
NS-AC40X
2-way Acoustic Suspension
Magnetically-ShIelded
51/4" High Compliance Aluminum Cone with
Rubber Surround and Inverted Dust Cap (x2)
1" Ferro FlUid Cooled Aluminum Dome Type
with Mesh Grille
80-20
6
70
140
89
2.When installing the unit on the TV set, fix it securely by
using anti-slip tapes (i.e., VELCRO fastening tape) to
prevent it from turning over, falling down, etc. The anti-
slip tape consists of two pieces. Attach one to the top of the
TV set and the other to the bottom of the unit as illustrated
below.
Crossover Frequency (kHz)
Dimensions (HxWxD)
Net Weight
Accessories:
3.5 (12dB/Octave)
77/16" x19 1/2" x713/16"
141bs.
10Ft. (3.0m) Speaker Cable
Anti-slip tapes *Specifications subject to change without notice due to product Improvements.
3.

YAMAHA products are designed and manufactured to provide a high level of trouble-free performance YAMAHA Electronics Corporation, USA, is
proud of the experienced craftsmanship that goes into each and every YAMAHA product YAMAHA sells its products through anetwork of high
quality, specially authorized dealers and is pleased to offer the following Limited Warranty, which applies only to products purchased from our
authorized dealers
YAMAHA products are backed by anationwide network of high quality YAMAHA authorized Service Centers, providing prompt,
courteous,
and professional service We suggest that you read the Limited Warranty thoroughly, and invite you to contact your authorized
YAMAHA dealer or the YAMAHA Electronics Corporation, USA, Service Department if you have any questions
eVAMAHI(
LIMITED WARRANTY
CENTER CHANNEL SPEAKER SYSTEM
Duration of Warranty:
Beginning from the date of first consumer purchase, this Center Channel Speaker System is covered by this warranty for the period listed below:
Model Duration of Warranty
NS-AC40X 2years
What is Covered and What is Not Covered?
This warranty covers all defects in materials or workmanship in this product, but DOES NOT COVER the following:
(1) Damage, deterioration
or malfunction resulting from:
aAccident, negligence, misuse, abuse, improper installation
or operation or failure to follow instructions contained in your Owner's manual
bAny shipment of the product (Claims must be presented to the carrier)
cRepair
or attempted repair by anyone other than Yamaha or an authorized Preferred Customer Service Center
(2) Any unit which has been altered
or on which the serial number has been defaced, modified or removed
(3) Normal wear and any periodic maintenance
(4) Any unit which has not been purchased from an authorized YAMAHA dealer in the
USA If you are uncertain as to whether adealer
has been authorized by YAMAHA, please contactYAMAHA's Service Department
(5) Any unit used for industrial or commercial purposes
Who may enforce the warranty:
This warranty is enforceable only by the original purchaser
What we will pay for and what you must pay for:
YAMAHA will repair or replace units covered by this warranty, without charge to the consumer for labor or materials YOU ARE RESPONSIBLE FOR
ANY INSTALLATION OR REMOVAL CHARGES AND FOR ANY INITIAL SHIPPING CHARGES, if the components must be shipped for warranty ser-
vice However, we will pay the return shipping charges to any destination within the
USA if the repairs are covered by the warranty
How you can get Warranty Service:
(1) If your Loudspeaker requires service, return it to an authorized Yamaha Preferred Customer Service Center If this is not practical,
contact the Yamaha Electronics Service Department at the address shown below
(2) Loudspeakers shipped for service should be packed securely and must be accompanied by adetailed explanation
of the problem(s)
requiring service, as well as your sales receipt, as proof
of warranty coverage
(3) Warranty registration is not required for warranty coverage
Limitation of Implied Warranties:
ANY IMPLIED WARRANTIES, INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR APARTICULAR PURPOSE, ARE LIMITED
IN DURATION TO THE LENGTH OF THIS WARRANTY
Exclusion of Damages
YAMAHA'S LIABILITY, FOR ANY DEFECTIVE PRODUCT IS LIMITED TO REPAIR OR REPLACEMENT OF THE PRODUCT, AT OUR OPTION
YAMAHA SHALL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGE OR DAMAGES
OF ANY OTHER KIND OR CHARACTER
BECAUSE
OF PRODUCT DEFECTS
SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS AND/OR DO NOT ALLOWTHE EXCLUSION OR
LIMITATION
OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO YOU
THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE
For the nearest authorized YAMAHA Preferred Customer Service Center please call:
1-BOO-4YAMAHA
Should you have any questions
about service received or if you need assistance in locating an authorized Yamaha Dealer, please contact:
_VAMAHI(
SERVICE DEPARTMENT
YAMAHA ELECTRONICS CORPORATION, USA
6660 ORANGETHORPE AVENUE BUENA PARK CALIFORNIA 90620' MAIL ADDRESS: P.O BOX 6660 BUENA PARK CALIFORNIA 90622' PHONE: [phone]
YAMAHA products are backed by anationwide network of high quality YAMAHA authorized Service Centers, providing prompt,
courteous and professional service
YAMAHA products are designed and manufactured to provide a high level of trouble-free performance YAMAHA Electronics Corporation, USA, is
proud of the experienced craftsmanship that goes into each and every YAMAHA product YAMAHA sells its products through anetwork of high
quality, specially authorized dealers and is pleased to offer the following Limited Warranty, which applies only to products purchased from our
authorized dealers
YAMAHA products are backed by anationwide network of high quality YAMAHA authorized Service Centers, providing prompt,
courteous,
and professional service We suggest that you read the Limited Warranty thoroughly, and invite you to contact your authorized
YAMAHA dealer or the YAMAHA Electronics Corporation, USA, Service Department if you have any questions
eVAMAHI(
LIMITED WARRANTY
CENTER CHANNEL SPEAKER SYSTEM
Duration of Warranty:
Beginning from the date of first consumer purchase, this Center Channel Speaker System is covered by this warranty for the period listed below:
Model Duration of Warranty
NS-AC40X 2years
What is Covered and What is Not Covered?
This warranty covers all defects in materials or workmanship in this product, but DOES NOT COVER the following:
(1) Damage, deterioration
or malfunction resulting from:
aAccident, negligence, misuse, abuse, improper installation
or operation or failure to follow instructions contained in your Owner's manual
bAny shipment of the product (Claims must be presented to the carrier)
cRepair
or attempted repair by anyone other than Yamaha or an authorized Preferred Customer Service Center
(2) Any unit which has been altered
or on which the serial number has been defaced, modified or removed
(3) Normal wear and any periodic maintenance
(4) Any unit which has not been purchased from an authorized YAMAHA dealer in the
USA If you are uncertain as to whether adealer
has been authorized by YAMAHA, please contactYAMAHA's Service Department
(5) Any unit used for industrial or commercial purposes
Who may enforce the warranty:
This warranty is enforceable only by the original purchaser
What we will pay for and what you must pay for:
YAMAHA will repair or replace units covered by this warranty, without charge to the consumer for labor or materials YOU ARE RESPONSIBLE FOR
ANY INSTALLATION OR REMOVAL CHARGES AND FOR ANY INITIAL SHIPPING CHARGES, if the components must be shipped for warranty ser-
vice However, we will pay the return shipping charges to any destination within the
USA if the repairs are covered by the warranty
How you can get Warranty Service:
(1) If your Loudspeaker requires service, return it to an authorized Yamaha Preferred Customer Service Center If this is not practical,
contact the Yamaha Electronics Service Department at the address shown below
(2) Loudspeakers shipped for service should be packed securely and must be accompanied by adetailed explanation
of the problem(s)
requiring service, as well as your sales receipt, as proof
of warranty coverage
(3) Warranty registration is not required for warranty coverage
Limitation of Implied Warranties:
ANY IMPLIED WARRANTIES, INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR APARTICULAR PURPOSE, ARE LIMITED
IN DURATION TO THE LENGTH OF THIS WARRANTY
Exclusion of Damages
YAMAHA'S LIABILITY, FOR ANY DEFECTIVE PRODUCT IS LIMITED TO REPAIR OR REPLACEMENT OF THE PRODUCT, AT OUR OPTION
YAMAHA SHALL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGE OR DAMAGES
OF ANY OTHER KIND OR CHARACTER
BECAUSE
OF PRODUCT DEFECTS
SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS AND/OR DO NOT ALLOWTHE EXCLUSION OR
LIMITATION
OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO YOU
THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE
For the nearest authorized YAMAHA Preferred Customer Service Center please call:
1-BOO-4YAMAHA
Should you have any questions
about service received or if you need assistance in locating an authorized Yamaha Dealer, please contact:
_VAMAHI(
SERVICE DEPARTMENT
YAMAHA ELECTRONICS CORPORATION, USA
6660 ORANGETHORPE AVENUE BUENA PARK CALIFORNIA 90620' MAIL ADDRESS: P.O BOX 6660 BUENA PARK CALIFORNIA 90622' PHONE: [phone]
YAMAHA products are backed by anationwide network of high quality YAMAHA authorized Service Centers, providing prompt,
courteous and professional service