Wyred 4 Sound MC Series User manual

_____________________________________________________________________
WYRED 4 SOUND MC v3.1
4235 Traffic Way
Atascadero, CA 93422
PH: 805-466-9973
FAX: 805-462-8962
support@wyred4sound.com
www.wyred4sound.com
©2013 WYRED 4 SOUND
All rights reserved. Page 1 of 12
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OWNER’S MANUAL
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Get Wired, WYRED 4 SOUND

_____________________________________________________________________
WYRED 4 SOUND MC v3.1
4235 Traffic Way
Atascadero, CA 93422
PH: 805-466-9973
FAX: 805-462-8962
support@wyred4sound.com
www.wyred4sound.com
©2013 WYRED 4 SOUND
All rights reserved. Page 2 of 12
T A B L E OF C O N T E N T S
Warranty Registration 3
Unpacking 3
Introduction 3
Design features 4
Front panel operation 4
Powering your amplifier 4
Getting connected 4-5
Input selection 5
High-pass selection 5
12V DC trigger In / Out 6
Short Circuit / Over Current Protection 6
“Break-in”/ warming up Period 6
Troubleshooting 6-7
Warranty coverage 8-9
Servicing your amplifier 10-11

_____________________________________________________________________
WYRED 4 SOUND MC v3.1
4235 Traffic Way
Atascadero, CA 93422
PH: 805-466-9973
FAX: 805-462-8962
support@wyred4sound.com
www.wyred4sound.com
©2013 WYRED 4 SOUND
All rights reserved. Page 3 of 12
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The packaging contains:
1 – Owners Manual
1 – 6’ AC Power Cable (2, if a Dual IEC amplifier)
1 – 12V DC trigger cable
1 –MC Amplifier
Carefully inspect your new amplifier for any shipping damage. Please contact your dealer, or Wyred 4
Sound directly if you notice any damage or if you suspect something is missing from your shipment. All
packaging materials were carefully designed to protect the unit in shipment, and should be kept for future use.
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The Wyred 4 Sound MC series is a perfect example of what is accomplished when practical engineering
and extensive knowledge are combined. All components are selected for the greatest possible functionality,
durability, and quality. Wyred 4 Sounds’ excellence in engineering will provide you with first-class performance
and years of satisfaction.
Wyred 4 Sound audio products are designed to bring you closer to the reality and beauty of your music.
Our goal is to bring the performance of the recording right into your home with as little change as possible. As
you can identify, our drive is focused on the customer. We know what others have to offer and what their prices
are, so we can guarantee that our cost will be substantially lower than theirs to keep the American made products
desirable. We greatly appreciate your purchase and expect your complete satisfaction. Wyred 4 Sound hopes
that you will continue to grow with us as we continue to provide the quality and functionality that you can learn to
depend on.

_____________________________________________________________________
WYRED 4 SOUND MC v3.1
4235 Traffic Way
Atascadero, CA 93422
PH: 805-466-9973
FAX: 805-462-8962
support@wyred4sound.com
www.wyred4sound.com
©2013 WYRED 4 SOUND
All rights reserved. Page 4 of 12
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The MC series amplifiers are a multi-channel amplifier design that will continually produce power in
excess of 125W/250W/550W with 8 ohm loads and 250W/500W/1100W with 4 ohm loads per channel
depending on model. Each channel of the amplifier is powered from individual power supplies. The compact
and effective design is made easier thanks to the help of the switching power supply that powers the bridged
output stage derived from ICEpower™ technology.
In comparison with other products similarly provided by many companies, our product is superior. The
MC series contains an input stage which we designed to act as a buffer between your amplifier and your input
source. Our input stage direct-couples your gear to produce a much higher input impedance which makes the
integration of a preamplifier seamless. The balanced DUAL FET design creates a balanced three-dimensional
sound. Other companies connect the input and output connectors directly to the amplifier module which will not
properly mate with select preamp sources because of the low input impedance, and will cause less than perfect
sound.
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For simplicity and sleek operation, the front panel only offers a power switch to activate the unit. There is
a ring that will light brightly when the amplifier is operational, and dimly when in standby, via the 12V Trigger.
The anodized solid aluminum front panel, sides and top cover will not be easily damaged from cleaning.
Conventional Glass cleaner will work well, but denatured alcohol should work the best.
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When power is applied to the amplifier and the switch is in the on position, the amplifier will turn on.
Leaving your amplifier on all the time will not hurt it, shorten the lifespan, or degrade the future sound. In fact,
you can expect an improvement in sound with the amplifier on all the time. In standby mode, the amplifier only
dissipates about 29W (for the 500 x 7ch models). The MC amplifiers produce noise that is little to none,
internally and to connected gear. Besides music playing, the only real indication that the unit is operational is the
blue ring on the power switch. If your amplifier has more than 4 channels, there will be a slight turn-on delay on
some channels. This is totally normal and designed to reduce the amount of inrush current at one time. You will
also notice that when your amplifier turns off, it will do the same thing, but in reverse order.
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CAUTION: Disconnect the power cord or make sure the power switch is in the off position before making any
connections to your amplifier to minimize the risk of electric shock and possible loudspeaker damage. Power
your amplifier after
all final connections have been made.

_____________________________________________________________________
WYRED 4 SOUND MC v3.1
4235 Traffic Way
Atascadero, CA 93422
PH: 805-466-9973
FAX: 805-462-8962
support@wyred4sound.com
www.wyred4sound.com
©2013 WYRED 4 SOUND
All rights reserved. Page 5 of 12
NOTE: This is a balanced amplifier and you should NEVER
connect either output to a ground point! Doing so
may cause damage to your amplifier and connected components which will likely require service.
The binding posts that you will find on the MC amplifiers allow many different methods of connection.
Each binding post is made of gold plated solid brass. Both sides of the clamping nut are built out of one piece,
and offers excellent grip. The binding post will accept 4mm banana plugs, spades of 6 and 8mm, and crimped
cable ends up to 10 AWG in size. The easiest connection is made with banana plugs, but be sure that you use the
highest quality that you can find. Make sure that the banana plugs fit snugly into the terminals. Some inexpensive
banana plugs can cause a highly resistive connection which can result in a noticeably higher distortion output to
the connected speakers.
The RCA (unbalanced) jack is made with high quality gold plated copper, and should be properly
connected with interconnects of the same value. The Neutrik XLR (balanced) connectors are the finest balanced
connector on the market, and are the best possible option for connecting your amplifier to your preamplifier.
Using the new W4S power and interconnect cables would be a great way to ensure your system is closer to what
we call “our reference”. We are now offering superior cables at an affordable rate that anyone can afford. For
more information, please visit the web-site, or send an email to support@wyred4sound.com
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One of the benefits of the MC series is the input buffer. The position of the rear panel switch is extremely
critical. Undesirable sound can be obtained from any of the switches being in the incorrect position. To
eliminate any switches in the signal path, both inputs are connected at all times. When the XLR / RCA switch is
pushed in, the RCA should be used. If RCA’s are being used, and the switch is in the XLR ground lift position,
you can expect a narrow sound stage, higher distortion, and poor imaging. The input buffer helps your preamp
drive your amplifier with ease. What happens with our competitors units is that the input signal becomes hard to
drive, and some sources start to clip at that point. The signal that causes the most “stress” is what will end up
being chopped up, or incomplete. When this happens, there is signal (information) that is being lost in
transmission.
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The High pass feature is available on the Front R & L channels, and adds a ton of flexibility. If you want
to eliminate low frequencies to your front channels, or would like to Bi-amp, we make it easy. You can use 1
multichannel amplifier to Tri-amp a set of your speakers if so desired. The high pass filter is set at 80Hz and 12
db per octave. If you have specific needs that are not standard, we can tailor any crossover point and any rate.

_____________________________________________________________________
WYRED 4 SOUND MC v3.1
4235 Traffic Way
Atascadero, CA 93422
PH: 805-466-9973
FAX: 805-462-8962
support@wyred4sound.com
www.wyred4sound.com
©2013 WYRED 4 SOUND
All rights reserved. Page 6 of 12
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Every amplifier in the MC series is equipped with a remote DC trigger input and output. In order for the
remote trigger to function, the front panel power switch must be on at all times. When the 12V is applied, the
switch will be brightly lit. When the unit is in stand-by mode, you will notice it will be slightly dimmer. The
trigger output can be used to turn on other components such as subwoofers, and will also have a slight turn on and
off delay.
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The amplifier modules have their own over-current and thermal protection. Before any damage is done
by a short circuit, over-current, or over temperature, the amplifier will go into protect mode. When this happens
the output is immediately turned off and the music will turn silent. The best procedure to take, should something
like this happen is to turn the amplifier off immediately. Determine what has caused the problem. If the
amplifier is beyond operating temperature, give it a chance to cool, then power it back up. If it’s not much more
warm than usual, check all connections for possible shorts. If you can’t find any reason for the problem,
disconnect everything from the unit and power it up. If the unit powers up, but no sound is passing
through when you connect it your system, your unit may need to be repaired.
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Your new MC amplifier will deliver outstanding performance right out of the box. However, you should
plan on improvements as it reaches it’s normal operating temperature and as all of the components have a chance
to “settle in”. Our experience has shown that the amplifier has reached it’s potential after the initial 300 hours.
After the initial break in period, your amplifier will be ready to perform within minutes of powering it on. Leaving
the amplifier on all the time is recommended and will not shorten it’s life, nor will it degrade the sound.
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No sound?
If you have your input source and speakers connected, and you can’t get music to play,
Check the following:
1. Verify that the power cord is plugged in and that the outlet is powered up.
2. Check the front panel and make sure that the blue light is on.
3. If the front panel is blue and there still isn’t any sound, put your ear next to the tweeter of your speaker
and have someone turn your amplifier off then on again at the rear switch. You should barely hear a
click when the amplifier is turned on and off
4. If you can hear the amplifier turn on and off, but there still isn’t any sound, make sure you are getting a
signal to it.
5. Verify that the input switch is selecting the proper input for what you have connected.

_____________________________________________________________________
WYRED 4 SOUND MC v3.1
4235 Traffic Way
Atascadero, CA 93422
PH: 805-466-9973
FAX: 805-462-8962
support@wyred4sound.com
www.wyred4sound.com
©2013 WYRED 4 SOUND
All rights reserved. Page 7 of 12
6. If the switch is in the proper position and still no sound, then try replacing the interconnects to verify
the connection between the amplifier and source.
7. Verifiy that the interconnects are conducting by replacing them on a different set from a connection that
you know works.
8. Now that you have interconnects that you know work, try connecting the amplifier to another source
that you know has worked in the past.
If you are still experiencing problems after checking all possibilities and using the resources provided please
contact your dealer or Wyred 4 Sound directly for further assistance.
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Is there too much hum or hiss coming out of your speakers? If you put your ear right next to the tweeter
of your speaker, you should barely be able to hear a hiss from the amplifier in normal conditions. If the noise is
easily
heard at a distance, try putting your source on mute, or pause. If this eliminates the noise, it’s inherent in
the source or preamplifier. If your preamplifier doesn’t disconnect the outputs when muted, and the noise still
exists while muted, try disconnecting the inputs to the amplifier. If the noise is still there when the inputs are
disconnected, and the inputs are shorted with shorting plugs, then your amplifier may need some servicing. If the
noise is not there when the inputs are disconnected, try putting a cheater plug (ground isolator) on one or all
components in order to eliminate a ground loop issue. NOTE: We only recommend using a ground isolator for
trouble shooting purposes only, and should be removed after the problem has been found. Having the ground of
any unit disconnected can potentially create a dangerous situation.
An easy way to locate a noisy component is to replicate the problem then start disconnecting components
one at a time, starting with a source. Digital cable boxes and satellite receivers are notorious for making ground
loop hum. This is normally caused by the potential difference on the input wire (shield side) for either of the
boxes when referenced to ground. If this is the case in your system, the installation of an isolating transformer
would be the easiest solution and are normally readily available at your local electronics parts store. A better
solution is a power strip with grounded and surge protected F-connectors that you can pass a signal through.
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Check the outputs and speaker connections to make sure they aren’t shorted to each other or ground. If
the amplifier faults while playing music loud, you may need a bigger amplifier for your taste or system. If it faults
without playing to loud, your speakers may be too demanding for what you have and may require a higher wattage
amplifier. Contact your dealer or Wyred 4 Sound for other options you can explore.

_____________________________________________________________________
WYRED 4 SOUND MC v3.1
4235 Traffic Way
Atascadero, CA 93422
PH: 805-466-9973
FAX: 805-462-8962
support@wyred4sound.com
www.wyred4sound.com
©2013 WYRED 4 SOUND
All rights reserved. Page 8 of 12
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Wyred 4 Sound’s warranty obligations are limited to the terms set forth below:
Wyred 4 Sound, as defined below, warrants this Wyred 4 Sound-branded hardware product against
defects in materials and workmanship under normal use for a period of FIVE (5) YEARS from the date of retail
purchase by the original end user purchaser ("Warranty Period"). If the product has been transferred from the
original owner to a second hand owner it has a ONE (1) YEAR warranty, valid from the original date of purchase
by the original owner.
If a hardware defect arises and a valid claim is received within the Warranty Period, at its option, Wyred 4
Sound will either (1) repair the hardware defect at no charge, using new or refurbished replacement parts, or (2) exchange the product
with a product that is new or which has been manufactured from new or serviceable used parts and is at least functionally equivalent to
the original product. Wyred 4 Sound may option that you replace defective parts with new or refurbished user-installable parts that
Wyred 4 Sound provides in fulfillment of its warranty obligation. A replacement product or part, including a user-installable part that has
been installed in accordance with instructions provided by Wyred 4 Sound, assumes the remaining warranty of the original product or
ninety (90) days from the date of replacement or repair, whichever provides longer coverage for you. When a product or part is
exchanged, any replacement item becomes your property and the replaced item becomes Wyred 4 Sound's property. Parts provided by
Wyred 4 Sound in fulfillment of its warranty obligation must be used in products for which warranty service is claimed. When a refund is
given, the product for which the refund is provided must be returned to Wyred 4 Sound and becomes Wyred 4 Sound's property.
EXCLUSIONS AND LIMITATIONS
Wyred 4 Sound does not warrant that the operation of the product will be uninterrupted or error-free. Wyred 4 Sound is not
responsible for damage arising from failure to follow instructions relating to the product's use. This warranty does not apply: (a) to
damage caused by use with non-Wyred 4 Sound products; (b) to damage caused by accident, abuse, misuse, flood, fire, earthquake or
other external causes; (c) to damage caused by operating the product outside the permitted or intended uses described by Wyred 4
Sound; (d) to damage caused by service (including upgrades and expansions) performed by anyone who is not a representative of Wyred
4 Sound or a Wyred 4 Sound Authorized Service Provider; (e) to a product or part that has been modified to significantly alter
functionality or capability without the written permission of Wyred 4 Sound; (f) if any Wyred 4 Sound serial number has been removed
or defaced.
TO THE EXTENT PERMITTED BY LAW, THIS WARRANTY AND REMEDIES SET FORTH ABOVE ARE
EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES, REMEDIES AND CONDITIONS, WHETHER ORAL OR
WRITTEN, STATUTORY, EXPRESS OR IMPLIED. AS PERMITTED BY APPLICABLE LAW, WYRED 4 SOUND
SPECIFICALLY DISCLAIMS ANY AND ALL STATUTORY OR IMPLIED WARRANTIES, INCLUDING, AND WITHOUT
LIMITATION, WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND WARRANTIES
AGAINST HIDDEN OR LATENT DEFECTS. IF WYRED 4 SOUND CANNOT LAWFULLY DISCLAIM STATUTORY OR
IMPLIED WARRANTIES THEN TO THE EXTENT PERMITTED BY LAW, ALL SUCH WARRANTIES SHALL BE
LIMITED IN DURATION TO THE DURATION OF THIS EXPRESS WARRANTY AND TO REPAIR OR REPLACEMENT
SERVICE AS DETERMINED BY WYRED 4 SOUND IN ITS SOLE DISCRETION EXCEPT AS PROVIDED IN THIS
WARRANTY AND TO THE EXTENT PERMITTED BY LAW, WYRED 4 SOUND IS NOT RESPONSIBLE FOR DIRECT,
SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM ANY BREACH OF WARRANTY OR
CONDITION, OR UNDER ANY OTHER LEGAL THEORY, INCLUDING BUT NOT LIMITED TO LOSS OF USE; LOSS
OF REVENUE; LOSS OF ACTUAL OR ANTICIPATED PROFITS (INCLUDING LOSS OF PROFITS ON CONTRACTS);
LOSS OF THE USE OF MONEY; LOSS OF ANTICIPATED SAVINGS; LOSS OF BUSINESS; LOSS OF OPPORTUNITY;
LOSS OF GOODWILL; LOSS OF REPUTATION; LOSS OF, DAMAGE TO OR CORRUPTION OF DATA; OR ANY
INDIRECT OR CONSEQUENTIAL LOSS OR DAMAGE HOWSOEVER CAUSED INCLUDING THE REPLACEMENT OF
EQUIPMENT AND PROPERTY, ANY COSTS OF RECOVERING, PROGRAMMING, OR REPRODUCING ANY PROGRAM
OR DATA STORED OR USED WITH WYRED 4 SOUND PRODUCTS AND ANY FAILURE TO MAINTAIN THE
CONFIDENTIALITY OF DATA STORED ON THE PRODUCT. THE FOREGOING LIMITATION SHALL NOT APPLY

_____________________________________________________________________
WYRED 4 SOUND MC v3.1
4235 Traffic Way
Atascadero, CA 93422
PH: 805-466-9973
FAX: 805-462-8962
support@wyred4sound.com
www.wyred4sound.com
©2013 WYRED 4 SOUND
All rights reserved. Page 9 of 12
TO DEATH OR PERSONAL INJURY CLAIMS. WYRED 4 SOUND DISCLAIMS ANY REPRESENTATION THAT IT WILL
BE ABLE TO REPAIR ANY PRODUCT UNDER THIS WARRANTY.
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Please access and review the resources referred to in the documentation accompanying this hardware product before
requesting warranty service. If the product is still not functioning properly after making use of these resources, please contact
the Wyred 4 Sound representatives or, if applicable, a Wyred 4 Sound Authorized Service Provider located using the
information provided in the documentation. A Wyred 4 Sound representative or Wyred 4 Sound Authorized Service
Provider will help determine whether your product requires service and, if it does, will inform you how Wyred 4 Sound will
provide it. Wyred 4 Sound or its Wyred 4 Sound Authorized Service Providers will provide warranty service on products
that are tendered or presented for service during the Warranty Period, as permitted by law. Wyred 4 Sound is not
responsible for freight charges to our facility for warranty repairs. We will cover return freight charges (domestic only) if the
unit is found to be faulty and still within the warranty coverage period. You will be responsible for delivery and return
shipping and handling charges if the product cannot be serviced in the country it is in. In accordance with applicable law,
Wyred 4 Sound may require that you furnish proof of purchase details and/or comply with registration requirements before
receiving warranty service. Please refer to the accompanying documentation for more details on this and other matters on
obtaining warranty service.
Recovery and reinstallation of system and application software and user data are not covered under this Limited Warranty.

_____________________________________________________________________
WYRED 4 SOUND MC v3.1
4235 Traffic Way
Atascadero, CA 93422
PH: 805-466-9973
FAX: 805-462-8962
support@wyred4sound.com
www.wyred4sound.com
©2013 WYRED 4 SOUND
All rights reserved. Page 10 of 12
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In the unlikely event there is a problem with your Wyred 4 Sound component, please contact your dealer,
distributor, or Wyred 4 Sound to discuss the problem before you return the component to our manufacturing
facilities for repair. Products shipped to the factory will be refused and returned freight collect if not accompanied
by a Wyred 4 Sound Service Department issued return authorization number (RA Number). Return
authorization numbers must be prominently displayed on the outside of the box and an accompanying letter
describing the problem and re-listing the RA number must be inside the box to qualify for service.
To contact the Wyred 4 Sound Service Department:
TELEPHONE 805-466-9973
HOURS M/F 8:00 am to 5:00 pm PST
FAX 805-462-8962
E-MAIL support@wyred4sound.com
WEBSITE http://www.wyred4sound.com
If you are in the United States use the following procedure:
1. Fill out the Service form at the following address and be sure to document all details:
http://www.wyred4sound.com/Service.html
2. If service is approved we will issue a Return Authorization Number (R/A number) from the Wyred 4 Sound
Service Department. Be sure to confirm the current shipping address.
3. Insure and accept all liability for loss or damage to the product during shipment to the W4S facility and ensure
all freight (shipping) charges are prepaid.
The product may also be hand delivered to the California facility if arrangements with the Service Department
have been made in advance. Proof of purchase from an authorized Wyred 4 Sound dealer, distributor or agent
will be required for warranty validation at the time of hand delivery. Use the original packaging to ensure the safe
transit of the product to the factory, dealer, or distributor. Wyred 4 Sound may, at its discretion, return a product
in new packaging and bill the owner for such packaging if the product received by Wyred 4 Sound was boxed in
nonstandard packaging or if the original packaging was so damaged to the point it was unusable. If Wyred 4
Sound determines that new packaging is required, the owner will be notified before the product is returned. To
purchase additional packaging, please contact your authorized Wyred 4 Sound dealer, distributor, or the Wyred 4
Sound Service Department for assistance.

_____________________________________________________________________
WYRED 4 SOUND MC v3.1
4235 Traffic Way
Atascadero, CA 93422
PH: 805-466-9973
FAX: 805-462-8962
support@wyred4sound.com
www.wyred4sound.com
©2013 WYRED 4 SOUND
All rights reserved. Page 11 of 12
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If you are located outside of the United States
1. Obtain a Return Authorization Number (R/A number) and shipping address from your dealer or distributor’s
Service Department.
2. Insure and accept all liability for loss or damage to the product during shipment to the dealer or distributor’s
Service Department and ensure all freight (shipping) charges are prepaid.
If you feel your authorized dealer or distributor is either unwilling or unable to service your Wyred 4 Sound
products, please contact our service department at customersupport@wyred4sound.com or at the above contact
numbers to discuss and resolve the situation.
Voltage changes to match your country’s voltage and frequency requirements to your Wyred 4 Sound product are
possible only at the time of purchase. The MC amplifier series is set to a fixed voltage to match your country’s
requirements and may not be easily changed.
Your Wyred 4 Sound product serial number is:
Your dealer or distributor information:
Your purchase information:

_____________________________________________________________________
WYRED 4 SOUND MC v3.1
4235 Traffic Way
Atascadero, CA 93422
PH: 805-466-9973
FAX: 805-462-8962
support@wyred4sound.com
www.wyred4sound.com
©2013 WYRED 4 SOUND
All rights reserved. Page 12 of 12
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Table of contents
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