Dolby Laboratories 136 Manuel utilisateur
Dolby Speaker System 136 Owner’s Manual
16 December 2020
Issue 1: Part number 8800255
Notices
Copyright
© 2020 Dolby Laboratories. All rights reserved.
Dolby Laboratories, Inc.
1275 Market Street
San Francisco, CA 94103-1410 USA
Telephone 415-558-0200
Fax 415-645-4000
http://www.dolby.com
Trademarks
Dolby and the double-D symbol are registered trademarks of Dolby Laboratories.
The following are trademarks of Dolby Laboratories:
Dialogue Intelligence™
Dolby®
Dolby Advanced Audio™
Dolby Atmos®
Dolby Audio™
Dolby Cinema®
Dolby Digital Plus™
Dolby Digital Plus Advanced Audio™
Dolby Digital Plus Home Theater™
Dolby Home Theater®
Dolby Theatre®
Dolby Vision®
Dolby Vision IQ™
Dolby Voice®
Feel Every Dimension™
Feel Every Dimension in Dolby™
Feel Every Dimension in Dolby Atmos™
MLP Lossless™
Pro Logic®
Surround EX™
All other trademarks remain the property of their respective owners.
Patents
THIS PRODUCT MAY BE PROTECTED BY PATENTS AND PENDING PATENT APPLICATIONS IN THE UNITED
STATES AND ELSEWHERE. FOR MORE INFORMATION, INCLUDING A SPECIFIC LIST OF PATENTS PROTECTING
THIS PRODUCT, PLEASE VISIT http://www.dolby.com/patents.
Product model
THIS DOCUMENTATION APPLIES TO MODEL: CID1024 and MODEL: CID1025.
Limited warranty and warranty exclusions
THE LIMITED WARRANTY AND WARRANTY EXCLUSIONS MAY BE FOUND AT THE FOLLOWING URL: https://
www.dolby.com/us/en/about/warranty-and-maintenance-policies.html
Notices
Dolby Speaker System 136 Owner’s Manual Issue 1: Part number 8800255 2
16 December 2020
Contents
1 Important safety and regulatory information.................................................................................. 4
2 Introduction to Dolby Speaker System 136 ......................................................................................7
2.1 About this documentation.............................................................................................................................8
2.2 CS136MH key features and benefits.............................................................................................................. 8
2.3 CS136LF key features and benefits................................................................................................................9
2.4 Selecting the wire......................................................................................................................................... 10
2.5 Contacting Dolby ......................................................................................................................................... 10
3 Assembling System 136................................................................................................................ 12
3.1 Installing System 136 in a typical auditorium ............................................................................................13
3.2 Assembling and Installing System 136........................................................................................................16
3.3 Aiming System 136....................................................................................................................................... 19
3.4 Connecting electrical components .............................................................................................................22
4 System 136 and system components specifications........................................................................ 30
5 System 136 digital signal processing requirements.........................................................................35
6 Setting system limiters.................................................................................................................37
Contents
Dolby Speaker System 136 Owner’s Manual Issue 1: Part number 8800255 3
16 December 2020
1
Important safety and regulatory
information
Safety
INSTALLER ASSUMES ALL RESPONSIBILITY AND LIABILITY FOR THE INSTALLATION OF
THIS PRODUCT.
No information contained in this guide is intended as a warranty on the part of
Dolby. Anyone using this information assumes all liability arising from its use.
Product abuse, use of the product not in accordance with Dolby instructions, or use
in an application for which the product has not been designed is not covered under
any Dolby warranty, nor is Dolby liable for any loss or damage.
Installation must be performed by qualified, licensed, and insured installers, and
installed in accordance with all laws, rules, and regulations applicable to the
installation site. Failure to do so could result in serious personal injury or even death.
Prior to installing this product, read and completely understand the installation
instructions. You must read these instructions to prevent personal injury and
property damage. Keep the installation instructions in an easily accessible location
for future reference.
A licensed professional engineer must approve the placement and method of
attachment to the building structure prior to the installation of the system.
All information presented herein is based upon materials and practices common to
North America and may not directly apply to other countries because of differing
material dimensions, specifications, and/or local regulations. Installers in other
countries should consult with appropriate engineering and regulatory authorities for
specific guidelines.
Any supplied rigging hardware is intended only for use with the specified
loudspeaker(s). The installer assumes all risk of loss and/or injury arising out of the
use of the supplied rigging hardware with any other loudspeaker. All other rigging is
considered part of the venue and/or installer-supplied equipment and is not
addressed in this guide. This guide is not a comprehensive source for rigging in
general. Installer assumes all responsibility for ensuring that accepted rigging and
safety practices are employed. Installer assumes all responsibility for the appropriate
use of Dolby supplied rigging hardware and follows at a minimum all applicable
laws, rules, and regulations in force for each venue.
Important safety and regulatory information
Dolby Speaker System 136 Owner’s Manual Issue 1: Part number 8800255 4
16 December 2020
For Dolby Cinema theatres only: If your installation is deemed to require the use of
safety cables by Dolby or a certified engineer, refer to the information in the
Dolby
System 136 Additional Safety Cable Installation Requirements
document, which is
available from your Dolby Cinema technical representative.
Make sure that no water pipes, natural gas lines, electrical wire, or conduit are
present where the speaker is to be installed. Cutting or drilling into water pipes,
natural gas lines, electrical wire, or conduit could cause serious personal injury or
property damage.
Dolby is not responsible for the application of its products for any purpose or the
misuse of this information for any purpose. Furthermore, Dolby is not responsible for
the abuse of its products caused by avoiding compliance with inspection and
maintenance procedures or any other abuse.
BKT.136 tie (coupling) plates (included with CS136MH) are used to connect the two
CS136LF speakers together to prevent movement or shifting of the cabinets due to
vibration from high levels of sound. These brackets must be installed prior to system
use. Dolby disclaims any liability, including damages or injury, if installer fails to
comply with these instructions.
BKT.FLR floor brackets are available (sold separately) to secure the entire speaker
system to the auditorium mounting surface. Vibration from this type of speaker
system is high and may cause cabinets to shift. Failure to secure the bottom speaker
cabinet to the mounting surface may result in the entire system tipping or falling,
which may cause damage or injury. Proper selection of mounting hardware is not
included; proper assembly and installation of mounting hardware, including, but not
limited to, selection of appropriate weight-bearing support and bracket use, are the
exclusive responsibility of the installer. Dolby disclaims any liability, including
damage or injury, for the selection of i) non-Dolby manufactured mounting hardware
or ii) third-party manufactured mounting hardware not previously approved in
writing by Dolby, and/or third-party bracket installation. Any modification to the
speaker system hardware provided by Dolby (for example, mounting by drilling holes
into the speaker system) will render the product warranty null and void.
Use proper lifting techniques when working with heavy objects to avoid personal
injury.
No open flame sources should be placed on or near the apparatus. Do not install
near any heat sources such as radiators, heat registers, stoves, or other apparatus
that produce heat.
Storage temperature: -4 to +140°F (-20 to +60°C). The products covered by this
manual are not intended for use in high-moisture environments. Moisture can
damage the product and cause corrosion of electrical contacts and metal parts.
Avoid exposing the speakers to direct moisture. Keep speakers out of extended or
intense direct sunlight. Premature product failure or serious personal injury could
occur if this product is used outdoors or in wet indoor environments.
Hearing damage can occur by prolonged exposure to excessive sound pressure level
(SPL); the loudspeaker is easily capable of generating SPL sufficient to cause
permanent hearing damage to performers, production crew, or audience members.
Caution should be taken to avoid prolonged exposure to SPL in excess of 90 dB.
Dolby Speaker System 136 Owner’s Manual Issue 1: Part number 8800255 5
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EU environmental regulations/compliance and product disposal information
Restriction of Hazardous Substances Directive (RoHS): All Dolby products comply with the
requirements of the EU RoHS Directive. This product is electronic equipment and should be disposed
of in accordance with all applicable laws.
Do not dispose as household waste. Do not dispose of the product in a fire. Please dispose of this
product by taking it to your local electronic waste collection point or recycling center. For information
regarding where to recycle electronic equipment, contact your local dealer. For additional information
regarding Waste Electrical and Electronic Equipment (WEEE) and product disposal go to http://
www.dolby.com/us/en/about/environmental-commitment.html.
Russian environmental regulations and compliance
This product complies with Russian EAC RoHS requirements.
Important safety and regulatory information
Dolby Speaker System 136 Owner’s Manual Issue 1: Part number 8800255 6
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2
Introduction to Dolby Speaker System 136
The Dolby Speaker System 136 is designed to meet the needs of a high-performance screen speaker in
a large Dolby Atmos or premium large format (PLF) cinema. System 136 delivers consistent audio
coverage and uniform volume shading for every seat in the venue up to approximately 165 feet (50.3
meters) in depth. The Dolby System 136 consists of one CS136MH loudspeaker for mid and high
frequencies and two CS136LF loudspeakers for low and low/mid frequencies, providing greater
intelligibility and enhanced low-frequency extension. With intuitive ergonomic design and features,
Dolby System 136 enables quick, easy installation and service. Built on the foundation of the Dolby
industry-leading system design and support philosophy, Dolby System 136 provides elevated
premium large format (PLF) performance and streamlines speaker integration. These components are
coupled together to create a screen speaker system that provides better audience coverage, lower
distortion (discomfort), and increased low-frequency response.
Figure 1: System 136 full speaker stack
•About this documentation
•CS136MH key features and benefits
•CS136LF key features and benefits
•Selecting the wire
•Contacting Dolby
Dolby Speaker System 136 Owner’s Manual Issue 1: Part number 8800255 7
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2.1 About this documentation
This documentation shows you how to install a Dolby Speaker System 136.
2.2 CS136MH key features and benefits
Dolby Speaker System 136 uses one CS136MH unit, which reproduces mid- and high-frequency audio using a
dual-entrant horn (two drivers in the same horn structure) that enables close proximity of the mid- and high-
frequency drivers in the vertical plane. This configuration yields improved pattern and amplitude control
around the crossover frequency, yielding smoother full-frequency response coverage to all seats in the
auditorium.
Figure 2: CS136MH front (left) and rear (right)
• A sculpted front horn enables closer placement of the horn to the screen (even when the horn is tilted
forward), which minimizes interference from screen reflections while achieving downward angles to
cover the entire audience.
• The high-frequency driver is a very low-distortion 75 mm titanium dome driver with a frequency response
up to 20 kHz.
• The mid-frequency driver is a specially designed ring-radiator compression driver providing high
sensitivity and power handling while covering the entire primary vocal range (400 Hz to 4 kHz), greatly
enhancing intelligibility, even in the largest auditoriums.
• The advanced input plate features a high-current, spring-loaded terminal block that enables quick
installation without the need for spade lugs or a crimping tool.
• To easily select a passive crossover or directly amplify each driver, a unique flip-card circuit board
enables simple electrical routing and tool-free configuration.
• The entire assembly mounts directly to the CS136LF unit and features independent horizontal and
vertical aiming adjustments.
• A convenient aiming mechanism uses a common laser pointer for accurate pointing of the mid/high
frequency horn to achieve maximum coverage.
• The dual-entrant asymmetrical horn enables close transducer proximity in the vertical plane, which
yields improved pattern and amplitude control around the crossover frequency.
Introduction to Dolby Speaker System 136
Dolby Speaker System 136 Owner’s Manual Issue 1: Part number 8800255 8
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• The unique asymmetrical mid-/high-frequency horn design provides long-distance coverage to the back
of the cinema from the top of the horn, while the bottom of the horn provides wider coverage and
volume shading for the audience closer to the screen. This provides greatly improved coverage for the
entire auditorium in comparison to conventional horn designs.
Figure 3: Dolby asymmetrical horn coverage
2.3 CS136LF key features and benefits
Dolby Speaker System 136 utilizes two CS136LF units to produce the low frequencies and low/mid
frequencies. Each cabinet receives differently processed audio.
Figure 4: CS136LF two units stacked
CS136LF key features and benefits
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• Each unit contains two 15-inch woofers that can be driven in parallel, or driven individually to maximize
available amplifier power.
• Each 15-inch driver is contained in an independent chamber within the cabinet that provides improved
performance and reliability.
• On the CS136LF, the unique flip-card printed circuit board enables electrical routing for parallel wiring of
the drivers powered from a single amplifier channel, or individual wiring to the amplifier channel on each
driver. With the CS136LF flip card, you can select either bi-amplifier mode or single-amplifier mode.
• The close spacing of the woofers combined with the individual processing of each cabinet improves
system vertical dispersion.
• Rubber feet on the bottom of each cabinet align with recesses on the top that help align stacked cabinets
and provide overall vibration control.
• Integrated handles on the sides of the speaker cabinet are positioned at the center of gravity to improve
safety and comfort during handling and installation.
• Included tie plates couple two CS136LF cabinets together safely and securely.
• Optional BKT.FLR floor brackets (available from Dolby) enable secure installation of the entire system to
the building structure or a screen platform attached to the building structure. The attachment points are
for stacking only; they are not intended for hanging or flying. Always be sure to adhere to local building
codes in your region.
• The advanced input plate features a high-current, spring-loaded terminal block, which enables quick
installation with no crimp tools or spade lugs needed, vastly simplifying installation.
2.4 Selecting the wire
This section can assist you in selecting the correct wire gauge.
Typically, no more than 0.5 dB ( or 11%) of power should be lost in the cabling. The System 136 input plates
accept an American wire gauge (AWG) of 18 AWG to 6 AWG.
Note: The input terminals are marked with indicators to show the polarity. Per International
Electrotechnical Commission (IEC) standards, a positive voltage on the positive marked input results
in the transducers moving outward (with the exception of the high-frequency channel in passive
mode only, which will have a negative polarity). The CS136MH and CS136LF differ in the order of
negative and positive terminations. You must verify the positive and negative markings for each
respective product. Always tie the cable down to the available hardware to minimize any buzzing or
pullouts. If possible, after wiring is completed, play sound through the speaker to identify any
connection issues, buzzing, or rattling.
Related information
Connecting electrical components on page 22
2.5 Contacting Dolby
You can contact Dolby Cinema Solutions and Support using email or regional telephone numbers. You can
also access documentation by visiting the Dolby customer portal.
Contact Dolby Cinema Solutions and Support
• Send an email to [email protected].
• Call:
Americas: +1-415-645-4900
Europe/Middle East/Africa (EMEA): +44-33-0808-7700
Asia-Pacific (APAC): +86-400-692-6780
Japan: +81-3-4540-6782
Introduction to Dolby Speaker System 136
Dolby Speaker System 136 Owner’s Manual Issue 1: Part number 8800255 10
16 December 2020
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